Maintenance Is Done to Increase the Printing Speed of an Office

question 54

Multiple Choice

Maintenance is done to increase the printing speed of an office printer.The amount of time (in seconds) for each of the six employees to print a standardized report using this printer before the maintenance is recorded in the table.The amount of time for the same employees to print these same reports after the maintenance is also recorded. ​ ​
Assuming the distributions are symmetric and continuous, conduct a Wilcoxon signed-rank test to see if it appears that the median print time decreased after the maintenance.Select the correct critical value (CV) , test statistic (TS) , and decision.(Use α = 0.10.)

• A) CV = 6, TS = 18, reject H₀
• B) CV = 17, TS = 14, fail to reject H₀
• C) CV = 2, TS = 10, reject H₀
• D) CV = 13, TS = 14, reject H₀

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Definitions:

Variability

The degree to which data points in a statistical distribution or data set diverge from the average or mean value.

Respondents

Individuals who answer or respond to surveys or questionnaires in a research study.

Household Income

The total income earned by all members of a household, including wages, investments, and any other sources of income.

Proportion

A part, share, or number considered in comparative relation to a whole; often expressed as a fraction or percentage.