For the given claim, complete parts (a) and (b) below. Claim: High school teache

Question

For the given claim, complete parts (a) and (b) below. Claim: High school teachers have incomes with a standard deviation that is less than $17, 500. A recent study of 139 high school teacher incomes showed a standard deviation of incomes showed a standard deviation of $14, 500. a. Express the original claim in symbolic form. (1) _____ (2) _____ (3) _____ b. Identify the null and the alternative hypotheses that should be used to arrive at a conclusion that supports the claim. H_0: (4) _____ (5) _____ (6) _____ H_1: (7) _____ (8) _____ (9) _____ (1) sigma mu (2) notequalto = (3) $17, 500 $14, 500 (4) mu rho sigma (5) >

Explanation / Answer

1) u 2) < 3) 17500

4)U 5)> 6)17500

7)U 8)< 9)17500

  

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