Asked by larae
Find the test statistic, P-value, and critical value. Round to 3 decimal places.
Claim: The mean IQ score of statistics professors is greater than 118.
Sample data: n = 50, x = 120. Assume that σ = 15 and the significance level is α = .05
test statistic =
P-value =
critical value =
Claim: The mean IQ score of statistics professors is greater than 118.
Sample data: n = 50, x = 120. Assume that σ = 15 and the significance level is α = .05
test statistic =
P-value =
critical value =
Answers
Answered by
MathGuru
Use a one-sample z-test. Calculate to find the test statistic. Find the critical value using a z-table for .05 significance level for a one-tailed test. The p-value is the actual level of the test statistic and is found using a z-table as well.
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