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Видео добавленное пользователем “Dr Nic's Maths and Stats”
Understanding Confidence Intervals: Statistics Help
 
04:02
This short video gives an explanation of the concept of confidence intervals, with helpful diagrams and examples. Find out more on Statistics Learning Centre: http://statslc.com or to see more of our videos: https://wp.me/p24HeL-u6
Просмотров: 710468 Dr Nic's Maths and Stats
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
 
04:54
This video describes five common methods of sampling in data collection. Each has a helpful diagrammatic representation. You might like to read my blog: https://creativemaths.net/blog/
Просмотров: 710154 Dr Nic's Maths and Stats
Understanding the p-value - Statistics Help
 
04:43
With Spanish subtitles. This video explains how to use the p-value to draw conclusions from statistical output. It includes the story of Helen, making sure that the choconutties she sells have sufficient peanuts. You might like to read my blog: http://learnandteachstatistics.wordpress.com
Просмотров: 749322 Dr Nic's Maths and Stats
Calculating the Confidence interval for a mean using a formula
 
05:29
This video carries on from "Understanding Confidence Intervals" and introduces a formula for calculating a confidence interval for a mean. It uses graphics and animation to help understanding.
Просмотров: 257267 Dr Nic's Maths and Stats
Types of Data: Nominal, Ordinal, Interval/Ratio - Statistics Help
 
06:20
The kind of graph and analysis we can do with specific data is related to the type of data it is. In this video we explain the different levels of data, with examples. Subtitles in English and Spanish.
Просмотров: 818680 Dr Nic's Maths and Stats
Understanding Random Variables - Probability Distributions 1
 
05:08
The idea of a random variable can be surprisingly difficult. In this video we help you learn what a random variable is, and the difference between discrete and continuous random variables.
Просмотров: 133917 Dr Nic's Maths and Stats
Understanding Statistical Inference
 
06:46
The most difficult concept in statistics is that of inference. This video explains what statistical inference is and gives memorable examples.
Просмотров: 83959 Dr Nic's Maths and Stats
Choosing which statistical test to use - statistics help.
 
09:33
Seven different statistical tests and a process by which you can decide which to use. The tests are: Test for a mean, test for a proportion, difference of proportions, difference of two means - independent samples, difference of two means - paired, chi-squared test for independence and regression. This video draws together videos about Helen, her brother, Luke and the choconutties. There is a sequel to give more practice choosing and illustrations of the different types of test with hypotheses.
Просмотров: 714226 Dr Nic's Maths and Stats
Variation and Sampling Error
 
06:30
Statistical methods are necessary because of the existence of variation. Sampling error is one source of variation, and is often misunderstood.This video explains sampling error.
Просмотров: 63714 Dr Nic's Maths and Stats
Understanding Hypothesis testing, p-value, t-test - Statistics Help
 
07:38
This entertaining video works step-by-step through a hypothesis test. Helen wishes to know whether giving away free stickers will increase her chocolate sales. This is a companion video for "Understanding the p-value". You might like to read my blog: http://learnandteachstatistics.wordpress.com
Просмотров: 424282 Dr Nic's Maths and Stats
Normal Distribution
 
07:45
Dr Nic explains the characteristics of the normal distribution, and why it is so useful as a model for real-life entities. To get access to more of our videos, https://vimeo.com/ondemand/drnicprobability
Просмотров: 84799 Dr Nic's Maths and Stats
Designing a Questionnaire - statistics help
 
05:23
The video teaches the steps you should go through when designing a questionnaire. It gives the example of Helen, who wants to increase her range of choconutties. It is specifically aimed at NCEA Level 2 "Design a Questionnaire", but the principles are universal.
Просмотров: 62504 Dr Nic's Maths and Stats
Important statistical concepts: significance, strength, association, causation - Statistics Help
 
05:34
This video is part of the AtMyPace: Statistics App. It explains and illustrates the difference between significance and usefulness, evidence and strength, causation and association.
Просмотров: 61494 Dr Nic's Maths and Stats
Understanding the Central Limit Theorem
 
06:39
The Central Limit theorem underpins much of traditional inference. In this video Dr Nic explains what it entails, and gives an example using dragons.
Просмотров: 24314 Dr Nic's Maths and Stats
Two means t-test in Excel - Statistics Help
 
03:54
A step-by-step lesson on how to perform an independent samples t-test for difference of two means using the Data Analysis ToolPak in Excel. This is a companion video to Hypothesis tests, p-value, two means t-test. You might like to read my blog: http://learnandteachstatistics.wordpress.com
Просмотров: 63117 Dr Nic's Maths and Stats
Introducing Time Series Analysis and forecasting
 
03:00
This is the first video about time series analysis. It explains what a time series is, with examples, and introduces the concepts of trend, seasonality and cycles.
Просмотров: 16107 Dr Nic's Maths and Stats
Scatterplots in Excel, Regression part 1 - Statistics Help
 
05:17
The first step in doing a regression in Excel is to fit the line using a Scatter plot. This video shows how to do this, illustrated by the story of Helen and the effect of temperature on her sales of choconutties. You might like to read my blog: http://learnandteachstatistics.wordpress.com
Просмотров: 26860 Dr Nic's Maths and Stats
Understanding Summary statistics: Mean, Median, Mode
 
05:14
Dr Nic explains why we need summary statistics and what each of them does. It is not about how to calculate the statistics, but what they mean. She uses the shoe example, which also appears in the PPDAC and OSEM videos.
Просмотров: 19165 Dr Nic's Maths and Stats
Understanding Graphs
 
06:06
Dr Nic from Statistics Learning Centre briefly explains the use and interpretation of seven different types of statistical graph. They include the pictogram, bar chart, pie chart, dot plot, stem and leaf, scatterplot and time series.
Просмотров: 14147 Dr Nic's Maths and Stats
Understanding Probability - Probability 1
 
02:54
This video explains what probability is and why we use it. It is the first in a series of six videos, and also leads on to Random Variables.
Просмотров: 11413 Dr Nic's Maths and Stats
Regression in Excel - Statistics Help
 
06:27
This video explains Regression and how to perform regression in Excel and interpret the output. The story of Helen and her choconutties continues. This follows on from Scatterplots in Excel and Understanding the p-value. You might like to read my blog: http://learnandteachstatistics.wordpress.com
Просмотров: 18182 Dr Nic's Maths and Stats
Probability Distribution Models - Distributions 3
 
06:48
We build on the understanding of a random variable, illustrating the binomial and poisson distributions, and how the normal distribution or triangular distribution could be used to approximate a given experimental distribution. This is all linked in to Luke's ice cream stand.
Просмотров: 3563 Dr Nic's Maths and Stats
The idea behind Inference - evidence!
 
03:34
Dr Nic gives a fun example used in lectures to help people to understand about evidence and inference, using chocolate. This is a quick video made from materials used in lecturing Introductory statistics.
Просмотров: 3758 Dr Nic's Maths and Stats
Analysing data in a two-way table (including chi-squared test)
 
06:25
Dr Nic explains how you would go about analysing a two-way table of categorical data, with the example of Helen, who is interested in looking at the relationship of gender and chocolate preference. This video builds on ideas in others of the Statistics Learning Centre videos.
Просмотров: 1879 Dr Nic's Maths and Stats
Analysing and commenting on graphical output using OSEM
 
07:13
This video teaches how to comment on graphs and other statistical output by using the acronym OSEM. It is especially useful for students in NCEA statistics classes in New Zealand, but many people everywhere can find OSEM awesome!
Просмотров: 14288 Dr Nic's Maths and Stats
Conditional Probability applied to Risk and Screening
 
07:54
This video explains about risk and screening, and shows how to calculate and express rates of false positives and false negatives. An imaginary disease, "Earpox" is used for the examples.
Просмотров: 4194 Dr Nic's Maths and Stats
Discrete Random Variables: Distributions 2
 
07:39
We explore the properties of a discrete distribution of a random variable for the number of ice creams sold. This includes finding the expected value, variance and standard deviation for the original distribution, two distributions added together, the distribution times a constant, and the distribution plus a constant.
Просмотров: 4097 Dr Nic's Maths and Stats
How to play Rogo
 
03:01
This video teaches how to play Rogo on the iPhone, iPod touch and iPad.
Просмотров: 4979 Dr Nic's Maths and Stats
Calculating the chi-squared statistic in two-way tables
 
05:42
This video follows on from "analysing data in a two-way table" and shows where the statistic comes from to get the p-value. Dr Nic also shows a very cool way to calculate the p-value using a spreadsheet such as Excel or Google sheets.
Просмотров: 1845 Dr Nic's Maths and Stats
Why people hate statistics - but you don't need to - with Dr Nic
 
13:32
Statistics is a course that many people have to take, and many people find difficult and uninteresting. In this vlog-type talk to camera, Dr Nic works through reasons why people hate statistics, and gives help for learners and teachers on how to stop this happening.
Просмотров: 1771 Dr Nic's Maths and Stats
Confidence Interval for a Mean using Excel
 
03:11
This short video complements Understanding Confidence Intervals, and shows how to use the analysis toolpak in Excel to calculate a confidence interval for a mean.
Просмотров: 508 Dr Nic's Maths and Stats
Types of data - practice identifying, Shopping Mall example
 
04:23
This video is a sequel to the very popular, Types of Data, Nominal, Ordinal, Interval/Ratio. Viewers get a chance to work through some questions and develop their understanding of levels of measurement.
Просмотров: 700 Dr Nic's Maths and Stats
Making the most of Statistics Learning Centre Videos and Learning Quizzes
 
05:55
In this video Dr Nic explains how to use the videos and learning quizzes to help students learn. Some of the videos are on YouTube, though the majority are accessed through "Statistics Videos (International)" at this site: http://course.statslc.com/ You can find out more here: http://course.statslc.com/pluginfile.php/28927/mod_resource/content/1/International_Info_2016.pdf
Просмотров: 1425 Dr Nic's Maths and Stats
Counting with Dr Nic in steps of 0.1
 
07:57
Counting in decimals can help children get a conceptual understanding of the nature of decimals, as well as number sense. In this video the values from 0.1 to 2 in steps of 0.1 are shown in seven different ways, including physical objects, a number line and graphical representation.
Просмотров: 333 Dr Nic's Maths and Stats
Hypothesis test (t-test) for a mean in Excel
 
05:13
Dr Nic shows how to use Excel to perform a hypothesis test for mean using Excel. She also shows the overall hypothesis testing process, linked in with her other stats videos.
Просмотров: 465 Dr Nic's Maths and Stats
Dragonistics Data Cards for teaching Statistics
 
02:58
This video introduces the Dragonistics Data cards that have been carefully designed by Statistics Learning Centre for teaching statistics. You can download free lesson plans and purchase cards at http://shop.creativemaths.net
Просмотров: 2309 Dr Nic's Maths and Stats
Choosing which statistical test to use: Practice examples
 
09:31
In this video you get to reinforce your understanding of the seven statistical tests covered in the video, choosing which statistical test to use. For each example Dr Nic works through the process of choosing, and gives the hypotheses. Mock up data is also displayed to help understanding. Dr Nic will answer questions in the comments below.
Просмотров: 1234 Dr Nic's Maths and Stats
Student Guide to StatsLC 2015 - 2017
 
03:34
How students can use the Statistics Learning Centre materials to help them learn and be successful in NCEA level 2 and 3 statistics.
Просмотров: 2537 Dr Nic's Maths and Stats
Probability is surprisingly interesting with Dr Nic
 
02:41
This is a trailer introducing the video series teaching basic probability and distributions. To subscribe to the series, go to https://vimeo.com/ondemand/drnicprobability
Просмотров: 1039 Dr Nic's Maths and Stats
Statistics Videos and Resources
 
01:09
A trailer introducing the videos and resources produced by Statistics Learning Centre. And the fun puzzle - Rogo! If you find our videos helpful, please donate on Patreon at http://www.patreon.com/StatsLC
Просмотров: 30241 Dr Nic's Maths and Stats
Spreadsheets with Dr Nic: Making Bar Charts in Google Sheets
 
06:27
It is amazingly straight-forward to make bar charts using Google sheets. The trickiest part is getting them into other documents. Dr Nic shows how to make a bar chart of Dragonistics dragon breaths.
Просмотров: 958 Dr Nic's Maths and Stats
Statistics Learning Centre Videos
 
01:29
A trailer introducing the videos and resources produced by Statistics Learning Centre. Note that since this video was made, we have reduced the number of videos that are provided to the public for free. To get access to all our great videos, ad-free and at higher definition, go to http://course.statslc.com/course/view.php?id=11 and sign up.
Просмотров: 15211 Dr Nic's Maths and Stats
Maths with Dr Nic: What are decimals
 
06:21
It helps to know exactly what decimals are, which is a tricky concept. Dr Nic explains what decimals are, with reference to place value.
Просмотров: 825 Dr Nic's Maths and Stats
Cat Maths - Kickstarter
 
01:52
In this video, Dr Nic introduces Cat Maths cards, and the Kickstarter campaign which will run from 12th October to 9 November 2016. You can find more information here: http://statsLC.com/Kickstarter
Просмотров: 464 Dr Nic's Maths and Stats
Introductory Statistics Lesson using Dragons
 
13:20
This video illustrates how to run an introductory lesson using the Dragonistics. You can download a free lesson plan using this method from our shop: http://shop.statslc.com/products/lesson-plan-introductory-lesson-level-2 It is suitable for children age 7 and up.
Просмотров: 1234 Dr Nic's Maths and Stats
Welcome to Dr Nic's Maths and Stats
 
02:36
Hi - I'm Dr Nic, and I love to help people with mathematics, statistics and spreadsheets. Watch this video, subscribe to the channel, share with your friends and talk to me through the comments!
Просмотров: 6854 Dr Nic's Maths and Stats
The Dragon Games - How to play
 
08:10
Fun, variety and lots of Dragons! A great new game with heaps of hidden learning, good for up to 5 players. http://shop.statslc.com/products/thedragongames
Просмотров: 1058 Dr Nic's Maths and Stats
Dragonistics data cards - Introductory lesson
 
10:46
Dr Nic and the children at Waitākiri School show how engaging the dragon analysis is in this introductory lesson for years 5 and 6. You can buy Dragonistics data cards at http://shop.statslc.com/
Просмотров: 498 Dr Nic's Maths and Stats
Rich Maths in schools: What Mathematicians Do
 
04:07
A short video showcasing the Rich Maths with Dragons events being held in rural Canterbury and West Coast schools. Dr Nic teaches about some of the things that mathematicians do. This was filmed at Ladbrooks School in Canterbury. The Rich Maths events are funded by the Unlocking Curious Minds fund.
Просмотров: 912 Dr Nic's Maths and Stats
Dragonistics Maths S6: Creating and interpreting two-way tables
 
04:09
This is an example of an activity for one or more children that explores the use of tables, and can lead to practice using proportions using Dragonistics data cards or The Dragon Games. You can buy Dragonistics data cards at https://shop.statslc.com/
Просмотров: 98 Dr Nic's Maths and Stats