StatsCasts
24 episodes - English - Latest episode: over 7 years ago -StatsCasts are narrated screen video recordings of explanations of statistical concepts. They are produced by Swinburne University of Technology, the University of the Sunshine Coast, and the University of Southern Queensland. They are part of an ongoing collaborative research project to develop high quality resources and investigate the effectiveness of StatsCasts to support statistics learning. They are targeted at prerequisite to first year level, in a range of subjects such as: Engineering, Sciences, Health Sciences and Business.
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Episodes
Calculation of probabilities in a Poisson distribution, using tables - Part 2 (StatsCasts)
January 26, 2017 13:00 - 6 minutes - 14.8 MB VideoIn this video we look at how to use statistical tables to calculate probabilities in a Poisson distribution. This includes an example of using the table for the probability density function to determine the probability the random variable is equal to particular value in a case where the average number of events per interval needs to be adjusted to match the units specified in the question and an example of using the table for the cumulative distribution function to determine the probability t...
The Chi-square test (StatsCasts)
January 26, 2017 13:00 - 7 minutes - 13.5 MB VideoIn this video we look at an example of conducting a Chi-square test. We set up the null and alternative hypotheses, determine the significance level, calculate expected frequencies and the Chi-square statistic and use statistical tables to determine the critical value of the Chi-square statistic. We then use this information to make a decision about H0 and to write a conclusion.
Calculation of probabilities in a Binomial distribution, using tables (StatsCasts)
January 26, 2017 13:00 - 7 minutes - 20.1 MB VideoIn this video we look at how to use statistical tables to calculate probabilities in a Binomial distribution. This includes an example of using the table for the probability density function to determine the probability the random variable takes a particular value and an example of using the table for the cumulative distribution function to determine the probability the random variable is less than or equal to a certain value and an example determining the probability it is greater than or eq...
Calculation of probabilities in a Poisson distribution, using tables - Part 1 (StatsCasts)
January 26, 2017 13:00 - 6 minutes - 20 MB VideoIn this video we look at how to use statistical tables to calculate probabilities in a Poisson distribution. This includes an example of using the table for the probability density function to determine the probability the random variable is equal to a particular value and an example of using the table for the cumulative distribution function to determine the probability the random variable is less than a certain value and an example determining the probability it is greater than or equal to ...
Deciding if a distribution is Binomial or Poisson (StatsCasts)
January 23, 2017 01:08 - 7 minutes - 16.3 MB VideoIn this video we look at how to decide for a given scenario (worded problem) if the distribution described is a Binomial distribution or Poisson distribution and whether its probability distribution function or its cumulative distribution function is required to calculate a specified probability.
Using standard normal distribution tables - Part 2 (StatsCasts)
January 22, 2017 13:00 - 7 minutes - 15.4 MB VideoAn example of using a standard normal distribution table to find the area under the standard normal curve to the right of a specified value of z and an example of using it to find the area under the standard normal curve between two values of z.
Hypotheses for one sample test for the mean (StatsCasts)
January 22, 2017 13:00 - 6 minutes - 10 MB VideoExamples of writing null hypothesis and alternative hypothesis both in words and symbols, for a one-sample hypothesis test for the mean. Notion of one-tailed and two-tailed tests are introduced.
One sample t-test (StatsCasts)
January 22, 2017 13:00 - 10 minutes - 18.7 MB VideoExample of carrying out a one-sample t-test including hypotheses, signficance level, finding calculated value of t and comparing to critical value of t, making a decision and conclusion.
One sample z test using critical values (StatsCasts)
January 22, 2017 13:00 - 8 minutes - 16.9 MB VideoExample of carrying out a one-sample z-test including hypotheses, signficance level, finding calculated value of t and comparing to critical value of z, making a decision and conclusion.
Using inverse t table for one tailed t test (StatsCasts)
January 22, 2017 13:00 - 7 minutes - 15.5 MB VideoAn introduction to and example of using an inverse t distribution table to find the critical value of t for a one-tailed t-test.
Using inverse t table for two-tailed t test (StatsCasts)
January 22, 2017 13:00 - 6 minutes - 12.6 MB VideoAn introduction to and example of using an inverse t distribution table to find the critical value of t for a two-tailed t-test.
Using standard normal distribution tables - Part 1 (StatsCasts)
January 22, 2017 13:00 - 4 minutes - 10.6 MB VideoAn introduction to reading a standard normal distribution table, with an example of how to use it to find the area under the standard normal curve to the left of a specified value of z.
Background to test statistic and p value in z test (StatsCasts)
January 22, 2017 13:00 - 8 minutes - 15.2 MB VideoAn example of the step by step process used to conduct a z test for the mean, with emphasis on the interpretation of the test statistic (z) and the p-value.
Research questions (StatsCasts)
November 20, 2013 13:00 - 3 minutes - 7.72 MB VideoHow to deconstruct a research question.
Experimental units and observational units (StatsCasts)
November 20, 2013 13:00 - 3 minutes - 5.39 MB VideoUnderstanding the difference between experimental and observational units.
Graphics (StatsCasts)
November 20, 2013 13:00 - 5 minutes - 5.24 MB VideoSelecting graphics to summarise data.
Study design (StatsCasts)
November 20, 2013 13:00 - 5 minutes - 8.52 MB VideoUnderstanding some of the issues in the design of experiments.
Correlation coefficients (StatsCasts)
November 20, 2013 13:00 - 3 minutes - 4.22 MB VideoUnderstanding correlation coefficients.
Calculating the sample size for estimating proportions (StatsCasts)
October 13, 2013 13:00 - 3 minutes - 3.77 MB VideoComputing the sample size needed to estimate a proportion, using a conservative method, with 95% confidence.
Regression (StatsCasts)
October 13, 2013 13:00 - 4 minutes - 5.33 MB VideoUnderstanding simple linear regression.
Calculating the sample size for estimating means (StatsCasts)
October 13, 2013 13:00 - 4 minutes - 4.64 MB VideoComputing the sample size needed to estimate a mean, using a conservative method, with 95% confidence.
Five number summary (StatsCasts)
June 30, 2012 10:00 - 3 minutes - 3.83 MB VideoFinding the median, quartiles and 5 number summary using a Stem and Leaf Display. Part 2 of 3
Stem and leaf displays (StatsCasts)
June 30, 2012 10:00 - 3 minutes - 2.83 MB VideoCreating a stem and leaf display by hand. Part 1 of 3
Stem and leaf displays: special cases (StatsCasts)
June 30, 2012 10:00 - 4 minutes - 4.25 MB VideoSpecial cases of stem and leaf displays. Part 3 of 3.