
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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![**Sampling Distribution**
Given the following sampling distribution:
A table with values:
- **X**: -20, -9, -4, 6, 16
- **P(X)**: \( \frac{2}{25} \), \( \frac{9}{100} \), \( \frac{9}{100} \), \( \frac{1}{4} \), \( \frac{1}{20} \)
**Question:**
What is the mean of this sampling distribution?
**Explanation:**
To find the mean of a sampling distribution, you multiply each outcome (\(X\)) by its probability (\(P(X)\)) and then sum these products. The formula for the mean (\(\mu\)) is:
\[
\mu = \sum [X \cdot P(X)]
\]
Calculate each product, then sum them to find the mean.](https://content.bartleby.com/qna-images/question/f5a46a21-656d-42a0-a455-81d241d5836d/a9991bc6-2e73-47b3-a6f9-06705ee40474/h7n4wjk_thumbnail.png)
Transcribed Image Text:**Sampling Distribution**
Given the following sampling distribution:
A table with values:
- **X**: -20, -9, -4, 6, 16
- **P(X)**: \( \frac{2}{25} \), \( \frac{9}{100} \), \( \frac{9}{100} \), \( \frac{1}{4} \), \( \frac{1}{20} \)
**Question:**
What is the mean of this sampling distribution?
**Explanation:**
To find the mean of a sampling distribution, you multiply each outcome (\(X\)) by its probability (\(P(X)\)) and then sum these products. The formula for the mean (\(\mu\)) is:
\[
\mu = \sum [X \cdot P(X)]
\]
Calculate each product, then sum them to find the mean.
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