Answer to Question #55139 in Statistics and Probability for Anurodh

Question

A company is manufacturing cotton threads under different speeds of spindle. The
tensile strength of the thread is a parameter that is of interest to the customer. Data
on different speeds of spindle and corresponding tensile strength on 5 samples is
given. Perform ANOVA to find out which is the most suitable speed for the
spindle so as to have maximum tensile strength.

Speed Tensile strength
1 2 3 4 5
10 22.2 20.6 21.5 20.6 22.0
20 24.2 25.0 24.8 20.7 21.0
30 25.0 23.2 21.7 22.5 20.9