Link to google drive with the R studio template and data sets:

https://drive.google.com/drive/folders/1-0vAauUKLg-njx3WlnY3Kooj-0D_VwC8?usp=sharing

? Problems 1 uses the ice cream data set.

• Use the T distribution for all problems involving means, even if the sample size is large. Use t.test for any problems with raw data. Use tsum. test if you only have summary data. Do NOT use z.test or zsum. test.

Ice Cream Data Set 1. Find and interpret the 95% condence interval for the population mean puzzle score. (2 points) 2. Find and interpret the 99% CI for the difference in population mean video scores for students that prefer chocolate and strawberry ice creams. Assume the population variances are not equal. (2 points) 3. Do you agree or disagree with the variance assumption made in Problem 2? Support your answer with some numbers as part of your explanation. (2 points) [OKAY T0 OMIT since not covered until Lesson 7]