TABLE 8-11 The Superintendent of a Unified School District of a Small

question 160

Short Answer

TABLE 8-11
The superintendent of a unified school district of a small town wants to make sure that no more than 5% of the students skip more than 10 days of school in a year. A random sample of 145 students from a population of 800 showed that 12 students skipped more than 10 days of school last year.
-Referring to Table 8-11, what is the upper bound of the 95% one-sided confidence interval for the proportion of students who skipped more than 10 days of school last year?

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Definitions:

Sample Size

The number of observations or data points used in a statistical analysis.

β Value

In statistics, represents the type II error rate, or the probability of failing to reject a false null hypothesis; also used to denote regression coefficients in multiple regression models.

Increasing

Becoming greater or larger in quantity, size, intensity, or degree.

Standard Deviation

A figure that gauges the scatter of data points around the mean value, demonstrating the extent of dispersion.