4/7/2023

Discussion of Quiz #3

Questions on the paired t test and CI

Statistical Inference for two means (return to Pulse.R from previous class)

• Two-sample Z procedures (Not often applied)
• Two-sample t procedures
• The pooled two-sample t procedures

In Class Exercises

• Return to our data from the survey on the first day of class. Are there statistically significant differences in the means for cats and dog lovers for the following variables:
  • Height
  • FootLength
  • PulseRate
  • ExerciseMinutes
  • TextMessages
  • White.string
  • Black.string
• 7.23, 7.25, 7.27, 7.29, 7.32

Please read Section 7.4 for class on Monday.