m: p=51,100; a =0.05 Sample statistics: x = 52,071, s = 3000, n = 16 Click the icon to view the t-distribution table. E. H, μ-51,100 H u#51,100 at is the value of the standardized test statistic? standardized test statistic is 1.29. (Round to two decimal places as needed.) t is(are) the critical value(s)?
m: p=51,100; a =0.05 Sample statistics: x = 52,071, s = 3000, n = 16 Click the icon to view the t-distribution table. E. H, μ-51,100 H u#51,100 at is the value of the standardized test statistic? standardized test statistic is 1.29. (Round to two decimal places as needed.) t is(are) the critical value(s)?
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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Transcribed Image Text:**Topic: Conducting a T-Test to Evaluate a Population Mean**
In this example, we aim to test a claim regarding a population mean \( \mu \) using a t-test at a specified level of significance \( \alpha \), based on given sample statistics. The population is assumed to be normally distributed.
**Claim and Given Data:**
- Claim: \( \mu = 51,100 \)
- Significance Level: \( \alpha = 0.05 \)
- Sample Mean: \( \bar{x} = 52,071 \)
- Sample Standard Deviation: \( s = 3,000 \)
- Sample Size: \( n = 16 \)
**Steps:**
1. **Set Up Hypotheses:**
- Null Hypothesis (\( H_0 \)): \( \mu = 51,100 \)
- Alternative Hypothesis (\( H_a \)): \( \mu \ne 51,100 \)
2. **Calculate Standardized Test Statistic:**
The value of the standardized test statistic is calculated as 1.29 (rounded to two decimal places).
3. **Determine Critical Value(s):**
The problem requires identifying the critical value(s). You need to look up the value in the t-distribution table based on the degrees of freedom and the significance level. (Round to three decimal places as needed).
This process illustrates the method for evaluating a population mean claim using a t-test, leveraging sample statistics and critical values from the t-distribution for hypothesis testing.
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