question archive ) Forty-four sixth graders were randomly selected from a school district
) Forty-four sixth graders were randomly selected from a school district
Subject:StatisticsPrice: Bought3
) Forty-four sixth graders were randomly selected from a school district.
Then, they were divided into 22 matched pairs, each pair having equal IQ's.
One member of each pair was randomly selected to receive special training.
Then, all of the students were given an IQ test. Test results are summarized
below.
Pair Training No training
1 95 90
2 89 85
3 76 73
4 92 90
5 91 90
6 53 53
7 67 68
8 88 90
9 75 78
10 85 89
11 90 95
12 85 83
13 87 83
14 85 83
15 85 82
16 68 65
17 81 79
18 84 83
19 71 60
20 46 47
21 75 77
22 80 83
ALL THE BEST
Do these results provide evidence that
the special training helped or hurt
student performance? Use 0.05 level of
significance.
