The Waiting Times (In Minutes)of 28 Randomly Selected Customers in a Bank

question 64

Essay

The waiting times (in minutes)of 28 randomly selected customers in a bank are given below. Use a significance level of 0.05 to test the claim that the population median is equal to 5.3 minutes. $$\begin{array} { r r r r r r r } 8.2 & 8.0 & 10.5 & 3.8 & 6.4 & 5.3 & 7.8 \\2.9 & 6.0 & 7.7 & 6.1 & 5.9 & 1.2 & 10.4 \\7.3 & 6.9 & 5.8 & 5.1 & 6.2 & 3.1 & 5.8 \\11.7 & 4.5 & 6.5 & 9.8 & 7.4 & 2.3 & 7.8\end{array}$$

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Definitions:

Soft-Spoken

Characterized by a gentle, mild, or low vocal tone, often perceived as calming or polite.

Assertively

Communicating one's preferences, needs, and rights in a clear, honest, and respectful way without infringing on the rights of others.

Inconsistent Information

Information or data that does not align or correlate with other information, often leading to confusion or the need for further investigation.

Well-Established Impression

A firmly held belief or opinion about someone or something that is based on extensive experience or evidence.