STAT 301        Statistics I      Fall 2009

Day-by-day notes (last third of course)

Mon Nov 2

  1. Go over exam preparation advice
  2. Review selected HW problems
  3. Work through handout titled “Comparing Two Groups with a Quantitative Response” (see handout here)

 

Studies: Sleep deprivation study, age discrimination study

 

Topics: Simulating randomization test for comparing two groups with quantitative response, approximate and exact randomization distribution, approximate and exact p-value

 

Wed Nov 4: Exam 2

 

Mon Nov 9

  1. Quick recap of simulating randomization test for comparing two groups with quantitative response
  2. Work through Investigation 2.1.2 (page 103)
  3. Answer Practice Problem 2.1.1 (page 113)
  4. Work through Investigation 2.1.3 (page 113)
  5. Work through Investigation 2.1.4 (page 119)

 

Studies: Cloud seeding, roller coaster speeds, geyser eruption study, hypothetical quiz scores

 

Topics: Five-number summary, boxplot, outlier test, transformations, variability, standard deviation, interquartile range, histogram

 

Graph> Boxplot

Stat> Basic statistics> Display descriptive statistics

Graph> Histogram

 

Wed Nov 11: No class (Veteran’s Day)

 

Mon Nov 16:

  1. Go over Exam 2 solutions
  2. Work individually on HW19, 20 and on project brainstorming

 

Wed Nov 18:

  1. Work through Investigation 4.4.1 (page 336)
  2. Work through Investigation 4.4.2 (page 343)
  3. Answer Practice Problem 4.4.2 (page 349)
  4. Work through Investigation 4.4.3 (page 352)

 

Studies: Scottish militiamen, mothers’ ages, basketball scoring

 

Topics: Sampling distribution of sample mean, Central Limit Theorem for sample mean, standard error of sample mean, normal probability plot, t-distribution, t-interval for population mean, t-test for population mean

 

Stat> Basic statistics> 1-Sample t

 

Mon Nov 30: