Author Question: Pearson's r can be used when a. an IV and DV are interval or ratio data. b. a quasi-IV and DV ... (Read 65 times)

Metfan725 · **on:** Jun 20, 2018

Pearson's r can be used when

a. an IV and DV are interval or ratio data.
b. a quasi-IV and DV are interval or ratio data.
c. two variables might be linearly related.
d. All of the above are true.

Question 2

The standard deviation of the population of individually measured adult
male spine lengths is 1.02 inches. A random sample of 25 men is selected and
the mean spine length was recorded at 30 inches.

a. Calculate the standard error of the mean.
b. Test the hypothesis that this sample could be representative of the general
population of adult males whose mean spine length is known to be 28 inches.