Question

1) Find the critical values t for a left-tailed test -t with alpha=0.99 and n=17 2)...

1) Find the critical values t for a left-tailed test -t with alpha=0.99 and n=17

2) Find the critical values t for a right-tailed test with alpha=0.01 and n=21

3) Find the critical values t and -t for a two-tailed test with alpha=0.05 and n=26

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Solution:

1)

Critical value of  the significance level is α = 0.99, and the critical value for a left-tailed test is

= -2.583

2)

Critical value of  the significance level is α = 0.01, and the critical value for a right-tailed test is

= 2.518

3)

Critical value of  the significance level is α = 0.01, and the critical value for a left-tailed test

is

= 2.060

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