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In a hypothesis test with hypotheses and ,a random sample of 20 elements selected from the population produced a mean of 67.8 and a standard deviation of 11.9.The significance level is 5%.Assume the population is normally distributed.
-What is the critical value of t?
A)-1.645
B)-1.725
C)-1.729
D)-2.093

Question

Use the following to answer questions :
In a hypothesis test with hypotheses  and  ,a random sample of 20 elements selected from the population produced a mean of 67.8 and a standard deviation of 11.9.The significance level is 5%.Assume the population is normally distributed.
-What is the critical value of t?
A)-1.645 
B)-1.725 
C)-1.729 
D)-2.093

Quizplus · Accepted Answer

The critical value of t depends on the degrees of freedom and the significance level. Without additional context, option C (-1.729) is a common critical value for a t-distribution with a specific degree of freedom and significance level.

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