SCENARIO 10-9 The Following EXCEL Output Contains the Results of a Test

question 195

Multiple Choice

SCENARIO 10-9
The following EXCEL output contains the results of a test to determine whether the proportions of satisfied customers at two resorts are the same or different.

Two-Sample Tests 10-31
-Referring to Scenario 10-9,allowing for 1% probability of committing a Type I error,what are the decision and conclusion on testing whether there is any difference in the proportions of satisfied customers in the two resorts?

• A)Do not reject the null hypothesis;there is enough evidence to conclude that there is significant difference in the proportions of satisfied guests at the two resorts.
• B)Do not reject the null hypothesis;there is not enough evidence to conclude that there is significant difference in the proportions of satisfied guests at the two resorts.
• C)Reject the null hypothesis;there is enough evidence to conclude that there is a significant difference in the proportions of satisfied guests at the two resorts.
• D)Reject the null hypothesis;there is not enough evidence to conclude that there is significant difference in the proportions of satisfied guests at the two resorts.

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Definitions:

Dispersion

Refers to the degree of variation or spread of data points in a dataset.

Range

The difference between the highest and lowest values in a set of data, indicating the spread or dispersion of the data points.

Interquartile Range

A measure of statistical dispersion, representing the difference between the upper (75th percentile) and lower (25th percentile) quartiles in a dataset.