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14 of 19 (14 complete) This Test 19 pts pos Overview, question 14 of 19, 14 complete Question Help Is the $9000? To decide, you select a random sample of statisticians from each region. The results of each survey are shown to the right. At α 0.10, what should you conclude? ce between the mean annual salaries of statisticians in Region 1 and Region 2 more than Region 1 x1 $67,100 o, $8975 n1 47 Region 2 x2 $61,000 σ2 $9250 n2 44 Choose the correct null and alternative hypotheses below O B. Ho H1-2 9000 Hai μι-μ2 , 9000 O E. Ho: μ1-μ2 > 9000 Ha : μ1-μ2 2 9000 Ο c. Ho : μι-μ2 29000 Ha : μ1-μ2 < 9000 OF. Ho : μ1-μ2 > 9000 Ha : μ1-P2 s 9000 Ha : μ1-μ2-9000 Ha μι-μ2 > 9000 Determine the critical value(s). (Round to two decimal places as needed. Use a comma to separate answers as needed) Determine the rejection region Click to select your answer(s)

sti 14 of 19 (14 complete) This Help Is the difference $9000? To decide, you select a random sample of st survey are shown to the right. At a 0.10, what should you conclude? the mean annual salaries of statisticians in Region 1 and Region 2 more than ion 1 2 ns from each region. The results of each x1 $67,100 01 $8975 n1 47 x2 $61,000 σ2-s9250 n2 44 (Round to two decimal places as needed. Use a comma to separate answers as needed) Determine the rejection region. Select the correct choice below, and, if necessary, fill in any answer boxes to complete your choice. (Round to two decimal places as needed) Click to select your answer(s). rs This course (MAT205W01CRN40017WINTER2018) is based on Larson: Elementary Statistics: Picturing the World, 7e

14 of 19 (14 complete) n Help Is the difference between the mean annual salaries of sta $9000? To decide, you select a random sample of statisticians from each region. The results of each survey are shown to the right. At a 0.10, what should you conclude? in Region 1 and Region 2 more than Ху $67,100 o, $8975 n1 47 Region 2 x2 = S61 ,000 ơ2 $9250 n2 44 Calculate the ed test st for μι_P2. Round to two decimal places as needed) A. Fail to reject Ho At the 1% significance level there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than $9000 B. Reject Ho- At the 1% significance level, there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than O c. Fail to reject Ho At the 1% significance level there is sufficient evidence to su pport the claim that the difference between the mean annual salaries is more than $9000. Click to select your answer(s) This course (MAT205W01 CRIN40017WINTER2018) is based on Larson: Elementary Statistics: Picturing the W

(Round to two decimal places as needed.) Choose the correct answer below Fail to re ect Ho At the 1% significance level there is insufficient evidence to support the claim that the difference between the mean annual salaries 1s more than $9000. Reject Ho. At the 1% significance level, there is in $9000 A. O B. nt evidence to support the claim that the difference between the mean annual salaries is more than c. Fa to reject H At he 1% si nificance level there is sufficient evidence to support the claim that the difference between the mean annual salaries is more D Re e t Ho-At the 1% s n cance leve there s sufficient evidence to support the claim that the difference between the mean annual salaries is more than than $9000 $9000

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Crit al -sungiar bdA--Hoi-4-4-26 12의 ectfen 10n , г > 1.28 Z3. 19mean a u u ual salanu more than $4000 -

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