Question: Consider the following dataset

1= female 2=male

GENDER EQ IQ READING MATH

1 1 111 46 3

1 1 103 43 2

1 2 95 38 7

1 2 122 43 9

1 2 86 30 15

1 3 80 38 11

1 3 108 45 10

1 1 110 38 14

2 1 125 40 1

2 1 100 35 6

2 2 106 32 5

2 2 125 40 4

2 3 95 28 13

2 3 105 36 8

2 3 85 25 12

∑ 1556 557

-

X 103.7333 37.1333

S (X) 13.5424 6.0096

S (x) 14.0177 6.2206

1. Give the estimated population variance for the reading scores.
2. Given the IQ score norm has a normal distribution with a mean of 100 and a standard deviation of 15, are the subjects from this study significantly different from the general population in their IQ scores ( a=.05, two tailored)

H (O) H (A)

WORK:

Answer

Conclusion

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