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 less than 125.

Sample data: n = 26, x=121 , s = 10 The significance level is 0.05.

Find the critical valuse using a t-distribution table:

The critical value is ____ (round to three decimal places as needed.)