TABLE 9-1 Microsoft Excel Was Used on a Set of Data Involving

question 72

True/False

TABLE 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant. A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift. She will make her decision using a test with a level of significance of 0.10. The following information was extracted from the Microsoft Excel output for the sample of 46 cases:

-Referring to Table 9-1, the null hypothesis would be rejected if a 1% probability of committing a Type I error is allowed.

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Definitions:

Interval Scale

A scale of measurement where the intervals between values are uniform but there is no true zero point, allowing for the measurement of order and the calculation of meaningful differences between values.

Nominal Scale

A measurement scale used for categorizing variables without a quantitative value or order.

Pie Graph

A visual representation of data that divides a circle into slices to illustrate numerical proportions.

Frequency Distribution

A table or graph that displays how often different values or categories occur in a dataset.