Gdetermine the critical values for these tests of a population standard deviation. (a) a right-tailed test with 16 degrees of freedom at the alphaequals0.01 level of significance (b) a left-tailed test for a sample of size nequals23 at the alphaequals0.1 level of significance (c) a two-tailed test for a sample of size nequals31 at the alphaequals0.1 level of significance

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Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a