Question: two tailed t-test has the test static 1.782, and is based on a sample size of 20 and a significance level of 0.01. What can

  1. two tailed t-test has the test static 1.782, and is based on a sample size of 20 and a significance level of 0.01. What can be concluded?

a.The claim is not supported.

b.The null hypothesis is not rejected.

c.The claim is supported.

d.The null hypothesis is rejected.

  1. A hypothesis test had a test statics of -2.57.If this is a left tailed t-test,with a sample size of 15 and a significance level of 5%, what can be concluded?

a.The claim is not supported.

b.The null hypothesis is not rejected.

c.The claimis supported.

d.The null hypothesis is rejected.

  1. A person claims that their roommatewashes their dishes no more than 2 times a week. A hypothesis test on the matter resulted in a test statics of 1.86. If this is a t-test with sample size of 10 and a significance level of 10%, what can be concluded?

a.The alternative hypothesis rejected.

b.The claimis supported.

c.The claim is not supported.

d.The null hypothesis is not rejected.

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