Marketing and Consumer Behavior Original Designs sells home plans in five different styles. A random sample of purchases was obtained, and the number falling into each category was recorded. The data are given in the following table.
Conduct a goodness-of-fit test to determine whether there is evidence that any of the true proportions differ from the hypothesized values 0.10, 0.20, 0.25, 0.05, and 0.40. Use a = 0.05.