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[answered] A researcher reports t(46) =4.32, p <0.05. If mu is


A researcher reports t(46) =4.32, p <0.05. If mu is 100 and M is 112, what is the standard error?

A. what does the standard error tell you??

b. if the standard error of estimate is equal to the standard deviation of Y, what, exactly is r, a, and y-hat?

17. A researcher is interested in the relation between a husbands' and wives' (n= 50) preferred age of retirement. The data are as follows:

Husbands: Mean=79, s= 12.2?

Wives: Mean= 64 s= 10.5

sigmaXY=250,752

A. what is the magnitude and direction of the relation between these two variables?

is the relation between the variables statistically significant?

how much of the variance in spouses preferred retirement age is shared?

compute the equation for predicting husbands preferred retirement age from wives?

how much error would there be in your predicted values?



 


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