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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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Demonstrates clearly and fully the ability to use Excel to perform the correlation for the data set.
Compute β-error of test in part (a) if true difference in mean burning rate is 2.5 centimeters per second.
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The results shown below are mean productivity measurements (average number of assemblies completed per hour) for a random sample of workers at each of three plants.
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