# 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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Step by step method for computing test statistic 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

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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