Concept explainers
To find: Whether there is sufficient evidence to conclude that the mean yield of the Variety A is higher.
Answer to Problem 75E
No, there is insufficient evidence to conclude that the mean yield of the Variety A is higher.
Explanation of Solution
Given:
Formula used:
The test statistic formula, if sample standard deviation is given is:
Calculation:
The null and alternative hypotheses are:
The output of Ti-83 plus calculator is:
The p-value (0.114) >
Conclusion:
At 5% significance level, there is insufficient evidence to conclude that the mean yield of the Variety A is higher.
Chapter 9 Solutions
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