The spokesperson for an organization supporting

Chapter 15, Problem 20E

(choose chapter or problem)

The spokesperson for an organization supporting property-tax reductions in a certain section

of a city stated that the median annual income for household heads in that section was $15,000.

A random sample of ten household heads from that section revealed the following annual

incomes:

                               14,800  16,900   18,000   19,100   13,200

                               18,500   20,000  19,200   15,100   16,500

With \(\alpha=.10\), test the hypothesis that the median income for the population from that section

is $15,000 against the alternative that it is greater than $15,000.

a Use the sign test.

b Use the Wilcoxon signed-rank test.

Equation transcription:

Text transcription:

alpha=.10