Question

For the gven claim, complete parts (a) and (b) below Claim: High school teachers have incomes with a standard deviation that is less than $19,750. A recent study of 144 high school teacher incomes showed a standard deviation of $18.750 2 Express the original camin symbolic form b. Identity the land the heative Hypotheses that should be used to arrive at a conclusion that supports the claim

Answer 1

Sed Original claim is that high school teachers have incomes with a standard deviation that is less than $19,750 " Original claim : oc 19,750 6) We want to Test left tailed hypothesis. U The null and alternative hypothenis That arrive at conclusion that supports The to should be used claim are: Hoio = 19750 Hair a 19750