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The value of the test statistic is 7. (Round to two decimal places as needed.)

The value of the test statistic is 7. (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

8.6

**Claim:** The mean systolic blood pressure of all healthy adults is less than 119 mm Hg. **Sample data:** For 294 healthy adults, the mean systolic blood pressure level is 118.95 mm Hg and the standard deviation is 15.97 mm Hg. The null and alternative hypotheses are: - **H₀:** μ = 119 - **H₁:** μ < 119 Find the value of the test statistic. --- **The value of the test statistic is** [ ]. *(Round to two decimal places as needed.)*
Transcribed Image Text:**Claim:** The mean systolic blood pressure of all healthy adults is less than 119 mm Hg. **Sample data:** For 294 healthy adults, the mean systolic blood pressure level is 118.95 mm Hg and the standard deviation is 15.97 mm Hg. The null and alternative hypotheses are: - **H₀:** μ = 119 - **H₁:** μ < 119 Find the value of the test statistic. --- **The value of the test statistic is** [ ]. *(Round to two decimal places as needed.)*
Expert Solution
Step 1: Given Information:

It is given that 

Hypothesized mean, μ = 119

Sample mean = 118.95

Sample size, n = 294

Std. deviation, s = 15.97


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