A Gum Manufacturer Wants to Determine Whether Blue Packaging or Red

Multiple Choice

A gum manufacturer wants to determine whether blue packaging or red packaging is preferred.The company performs a sales test by introducing red packages into a random sample of ten stores,and blue packages are introduced in an independent,random sample of ten stores.The technique most appropriate for analyzing the data is

A) a paired sample t-test for means.
B) the Spearman rank-order correlation analysis.
C) regression analysis.
D) an independent samples t-test for means.
E) correlation analysis.