The lecture Comparing two Means by David Spade, PhD is from the course Statistics Part 2. It contains the following chapters:
Before carrying out any inference for the difference between two means, what is the first thing that should be done?
Which of the following is not a condition for the use of the two-sample t-interval?
When is the pooled t-test appropriate?
Which of the following is true regarding the differences between the two-sample t-procedures and the pooled t-procedures?
Which of the following is true of two-sample inference?
What is the t-statistic if hypothesized mean difference is 3, sample mean difference is 1, sample standard deviation of the difference is 2, and sample size is 25?
For which of the following hypothesis are we likely to use a two-tailed test?
Z-distribution is used when population standard deviation is known and the sample size is greater than what value?
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