A sample of n = 9 individuals participates in a repeated-measures study that pro

Question

A sample of n = 9 individuals participates in a repeated-measures study that produces a sample mean difference of M_D = 4.25 with SS = 128 for the difference scores. Calculate the standard deviation for the sample of difference scores. s = ______ What is measured by the standard deviation? The standard deviation measures the average distance between individual scores and the sample mean. The standard deviation measures the average distance between a sample mean and a population mean. The standard deviation measures the average distance between population mean and the sample mean. Calculate the estimated standard error for the sample mean difference. S_MD = _____ What is measured by the estimated standard error? The estimated standard error measures the average distance between a sample mean and a population mean. The estimated standard error measures the average distance between individual scores and the sample mean. The estimated standard error measures the averag

Explanation / Answer

std deviation s=(SS/(n-1))1/2 =4

the std deviation measures average distance b/w individual scores and sample mean.

std error =std differnece/(n)1/2 =1.333

measures the average distance between a sample mean and population mean

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