STAT 3021 Lecture Notes - Lecture 26: Confidence And Prediction Bands
56 views1 pages
Get access
Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers
Related textbook solutions
Related Documents
Related Questions
Grade Two different professors teach an Introductory Statistics course. The table shows the distribution of final grades they reported. We wonder whether one of these professors is an "easier" grader.
Prof A | Prof B | |
A | 3 | 9 |
B | 11 | 12 |
C | 14 | 8 |
D | 9 | 2 |
E | 3 | 1 |
a.) Will you test goodness-of-fit, homogeneity, or independence?
b.)Write appropriate null hypothesis.
c.) Find the expected counts for each cell, and explain why the chi-square procedures are not appropriate.