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H0: ϻ ≤ 16.74 VS HA: ϻ > 16.74 What is the test statistic for sample...

H0: ϻ ≤ 16.74 VS HA: ϻ > 16.74

What is the test statistic for sample of size 22, mean 13.56, and standard deviation 2.69? Enter the test statistic with 2 decimal places.

Math   Statistics-And-Probability   
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Answer #1

solution:

The null and alternative hypothesis is ,

H0 :  16.74

Ha : >16.74

Test statistic = t

= ( - ) / / n

= (13.56-16.74) / 2.69/ 22

= -5.54

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