Below are some a values, and hypothetical P values. Should you accept or reject the null hypothesis? P .05 .06 .06>.05 accept the null hypothesis .01 .012 .001 .0001 .05 .045 .01 .1 .05 .051 .10 .09 .09=.10 fail to accept the null hypothesis
Below are some a values, and hypothetical P values. Should you accept or reject the null hypothesis? P .05 .06 .06>.05 accept the null hypothesis .01 .012 .001 .0001 .05 .045 .01 .1 .05 .051 .10 .09 .09=.10 fail to accept the null hypothesis
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:**Table Explanation: Decision Making with α and P Values**
The table below shows different α (alpha) values and hypothetical P values to help determine whether to accept or reject a null hypothesis in statistical testing.
| α | P | Decision |
|------|---------|-------------------------------------------------|
| 0.05 | 0.06 | 0.06 > 0.05 accept the null hypothesis |
| 0.01 | 0.012 | |
| 0.001| 0.0001 | |
| 0.05 | 0.045 | |
| 0.01 | 0.1 | |
| 0.05 | 0.051 | |
| 0.10 | 0.09 | 0.09 < / = 0.10 fail to accept the null hypothesis|
**Explanation:**
- **α (Alpha) Value**: The significance level, usually set at 0.05, 0.01, or 0.001, denotes the threshold for rejecting the null hypothesis.
- **P Value**: The probability of observing the data given that the null hypothesis is true. It helps determine whether the data provides enough evidence to reject the null hypothesis.
- **Decision**: Based on the comparison between the P value and the α value:
- If P > α, accept the null hypothesis.
- If P ≤ α, fail to accept the null hypothesis (often implying the data is significant).
In the table, specific examples illustrate these decision-making rules, emphasizing how different combinations of α and P values influence hypothesis testing decisions.
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