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28 Nov 2020
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.
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.
Karol A.Lv10
7 Mar 2021
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