An experiment was performed on a certain metal to determine if the strength is a function of heating time.The sample size consists of ten metal sheets.Residuals are calculated for all ten metal sheets and ordered from smallest to largest. Determine the normal point for the smallest residual.
A).0645
B)-1.52
C)-1.30
D)-1.28

Question

Quizplus · Accepted Answer

The normal point for the smallest residual in a sample of size 10 is the z-score corresponding to the (1/(n+1))th percentile of the standard normal distribution, which is approximately -1.52.

An Experiment Was Performed on a Certain Metal to Determine