Math Problem Statement
Solution
To find the P-value for this left-tailed chi-square hypothesis test, we can follow these steps:
- Determine Degrees of Freedom: The degrees of freedom for this chi-square distribution is given as .
- Given Chi-Square Value: The test statistic provided is .
- Left-Tailed Test: Since this is a left-tailed test, we are interested in the probability for a chi-square distribution with 51 degrees of freedom.
Using a chi-square distribution table or calculator, we can find the cumulative probability up to the test statistic value for a chi-square distribution with 51 degrees of freedom.
The approximate P-value for with is:
Answer:
P-Value = 0.9652
Would you like a more detailed breakdown or have any questions?
Related Questions:
- How is the P-value interpreted in hypothesis testing?
- Why is it important to know if the test is one-tailed or two-tailed?
- What changes in interpretation if the test were right-tailed instead of left-tailed?
- How do degrees of freedom impact the shape of the chi-square distribution?
- What conditions must be met to use a chi-square test?
Tip:
When performing a chi-square test, always verify if it's one-tailed or two-tailed, as this affects how you calculate the P-value.
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Chi-Square Distribution
P-value Calculation
Formulas
P(χ² ≤ χ²₀) for left-tailed test
Theorems
Chi-Square Distribution Properties
Suitable Grade Level
College Statistics
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