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T test for comparing IQ of males and females

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Calculate and compare the means for IQ as a dependent variable and gender as your independent variable. Do you think males and females differed in their IQ scores? Why?

Male
mean= 99.33
N= 55
Std Dev= 13.192
Range= 62
Kurtosis=.224
Skewness=.451

Female

Mean=101.82
N=33
Std Dev=12.677
Range=45
Kurtosis=-.731
Skewness=.354

Total

mean=100.26
N=88
Std. Dev=12.985
Range=62
Kurtosis=-.163
Skewness=.394

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Solution Summary

Step by step method for computing test statistic for comparing IQ of males and females.

Solution Preview

Calculate and compare the means for IQ as a dependent variable and Gender as your independent variable. Do you think males and females differed in their IQ scores? Why?

Male
mean= 99.33
N= 55
Std Dev= 13.192

Female

Mean=101.82
N=33
Std Dev=12.677

Answer
The null hypothesis tested is
H0: There is no significant difference in the mean IQ score of males and females (µ1= ...

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