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. paired sample t-test for means.b. Spearman rank-order correlation analysis.c. regression analysis.d. independent samples t-test for means.e. correlation analysis.
The answer is “gray water”. Gray water is defined as the
wastewater from showers and sinks, gray water can be used to water your yards.
Gray water does not need purification to water your yard, it can even help in
reducing one’s overall water usage at home.