You wish to test the following claim (Ha) at a significance level of a = 0.01. Ho : μ = 82.5 H₂:μ> 82.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 79 with a mean of M = 84.5 and a standard deviation of SD = 15.9. What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = The test statistic is... O in the critical region O not in the critical region
You wish to test the following claim (Ha) at a significance level of a = 0.01. Ho : μ = 82.5 H₂:μ> 82.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 79 with a mean of M = 84.5 and a standard deviation of SD = 15.9. What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = The test statistic is... O in the critical region O not in the critical region
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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![**Hypothesis Testing Example**
In this example, we aim to test the following claim (\(H_a\)) at a significance level of \(\alpha = 0.01\):
- Null Hypothesis (\(H_0\)): \(\mu = 82.5\)
- Alternative Hypothesis (\(H_a\)): \(\mu > 82.5\)
**Problem Statement:**
You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size \(n = 79\) with a mean of \(M = 84.5\) and a standard deviation of \(SD = 15.9\).
**Tasks:**
1. Determine the critical value for the test.
2. Calculate the test statistic for the sample.
3. Determine if the test statistic falls within the critical region.
**Critical Value Calculation:**
What is the critical value for this test? (Report the answer accurate to three decimal places.)
\[ \text{Critical value} = \]
**Test Statistic Calculation:**
What is the test statistic for this sample? (Report the answer accurate to three decimal places.)
\[ \text{Test statistic} = \]
**Conclusion:**
The test statistic is...
- ( ) in the critical region
- ( ) not in the critical region
By completing these steps, you can determine whether the test statistic falls within the critical region and thus make a decision about the null hypothesis \(H_0\).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3268b88a-f4fb-4fae-897e-35b47f1612ff%2F3908ce4a-6b23-4305-9f71-20d42d288336%2Fw31emv9_processed.png&w=3840&q=75)
Transcribed Image Text:**Hypothesis Testing Example**
In this example, we aim to test the following claim (\(H_a\)) at a significance level of \(\alpha = 0.01\):
- Null Hypothesis (\(H_0\)): \(\mu = 82.5\)
- Alternative Hypothesis (\(H_a\)): \(\mu > 82.5\)
**Problem Statement:**
You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size \(n = 79\) with a mean of \(M = 84.5\) and a standard deviation of \(SD = 15.9\).
**Tasks:**
1. Determine the critical value for the test.
2. Calculate the test statistic for the sample.
3. Determine if the test statistic falls within the critical region.
**Critical Value Calculation:**
What is the critical value for this test? (Report the answer accurate to three decimal places.)
\[ \text{Critical value} = \]
**Test Statistic Calculation:**
What is the test statistic for this sample? (Report the answer accurate to three decimal places.)
\[ \text{Test statistic} = \]
**Conclusion:**
The test statistic is...
- ( ) in the critical region
- ( ) not in the critical region
By completing these steps, you can determine whether the test statistic falls within the critical region and thus make a decision about the null hypothesis \(H_0\).
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