At a local elementary school, a nurse is trying to determine whether the average height of fourth-grade students is more than 50 inches. A sample of 30 fourth graders had an average height of 51.4 inches and a sample standard deviation of 3.65 inches. At a = 0.01, is the average height actually more than fifty inches? Please show all work below, including your null and alternative hypotheses, critical value, test value, and your conclusion.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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At a local elementary school, a nurse is
trying to determine whether the average
height of fourth-grade students is more
than 50 inches. A sample of 30 fourth
graders had an average height of 51.4
inches and a sample standard deviation of
3.65 inches. At a = 0.01, is the
average height actually more than fifty
inches?
Please show all work below, including
your null and alternative hypotheses,
critical value, test value, and your
conclusion.
Transcribed Image Text:At a local elementary school, a nurse is trying to determine whether the average height of fourth-grade students is more than 50 inches. A sample of 30 fourth graders had an average height of 51.4 inches and a sample standard deviation of 3.65 inches. At a = 0.01, is the average height actually more than fifty inches? Please show all work below, including your null and alternative hypotheses, critical value, test value, and your conclusion.
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