For the following claim, find the critical value. Assume that a simple random sample has been selected from a normally distributed population. Claim: The mean IQ score of statistics professors is greater than 118. Sample data: n=21, x= 119, s= 10. The significance level is a= 0.05. Click the icon to view a table of critical t-values. Find the critical value using at-distribution table. The critical value is (Round to three decimal places as needed.)

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For the following claim, find the critical value. Assume that a simple random sample has been selected from a normally distributed population.

**Claim:** The mean IQ score of statistics professors is greater than 118.  
Sample data: n = 21, x̄ = 119, s = 10. The significance level is α = 0.05.

Click the icon to view a table of critical t-values.

Find the critical value using a t-distribution table.

The critical value is [ ]. (Round to three decimal places as needed.)
Transcribed Image Text:For the following claim, find the critical value. Assume that a simple random sample has been selected from a normally distributed population. **Claim:** The mean IQ score of statistics professors is greater than 118. Sample data: n = 21, x̄ = 119, s = 10. The significance level is α = 0.05. Click the icon to view a table of critical t-values. Find the critical value using a t-distribution table. The critical value is [ ]. (Round to three decimal places as needed.)
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