oooO Sprint 1002 PM moodle2Isuedu lPage Z ot 3 of 7 Revised

oooO Sprint 10:02 PM moodle2.Isu.edu lPage Z ot 3 of 7 Revised 11/10/2010 3. A study was conducted to determine if the salaries of elementary school teachers from two neighboring districts were equal. A sample of 15 teachers from each district was randomly selected.Test the claim that the salaries from both districts are equal. Use significance 0.05 and assume that the data are distributed normally. District 1 15 $28,900 2,300 District 2: 15 $30,300 2,100 3A What is the appropriate set of hypotheses (HO, H1)? What is the correct confidence interval? .(-2475,-325) (-2100,-700) (-2975,175) .-3125,325) 3C. Are the salaries of the teachers from the two districts different? No. . Depends on distribution Page 3 of 7 Revised 11/10/2010 2201 Quiz3Adocm 4. (Question 4 subparts below)

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