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For a t-distribution with 15 degrees of freedom, 90% of the distribution is within how many...

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Basic Math

For a t-distribution with 15 degrees of freedom, 90% of thedistribution is within how many standard deviations of themean?

Select one: a. 1.235 b. 1.576 c. 1.753 d. 1.960

Answer & Explanation Solved by verified expert
4.2 Ratings (567 Votes)

The critical value is t0.05, 15 = 1.753

Option - c is correct.

                                

                                                 

                                       

                                    

                               
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