Dr Statistics wanted to test how her learners scored on a problem set when she p
ID: 3463618 • Letter: D
Question
Dr Statistics wanted to test how her learners scored on a problem set when she presented the problems sequentially versus when she presented the problems randomly. She had 10 learners who scored the following:
Learner
Sequential
Random
1
92
90
2
85
89
3
77
85
4
86
80
5
93
96
6
72
75
7
99
91
8
84
80
9
63
71
10
94
95
Answer this: Based on that output, what is the 95 percent confidence interval of the difference?
Learner
Sequential
Random
1
92
90
2
85
89
3
77
85
4
86
80
5
93
96
6
72
75
7
99
91
8
84
80
9
63
71
10
94
95
Explanation / Answer
The value of t is 0.398216. The critical value of t with df(9) is 1.833. The result is not significant .
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