A technician compares repair costs for two types of microwave ovens (type I and type II). He believes that the repair cost for type I ovens is greater than the repair cost for type Il ovens. A sample of 43 type I ovens has a mean repair cost of $70.15. with a standard deviation of $20.62. A sample of 57 type Il ovens has a mean repair cost of $65.36, with a standard deviation of $22.21. Conduct a hypothesis test of the technician's claim at the 0.05 level of significance. Let , be the true mean repair cost for type I ovens and ; be the true mean repair cost for type il ovens. Step 2 of 4: Compute the value of the test statistic. Round your answer to two decimal places. m Tables Keyрad Answer How to enter your answer Keyboard Shortcuts Previous Step Answers

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A technician compares repair costs for two types of microwave ovens (type I and type II). He believes that the repair cost for type I ovens is greater than the repair cost
for type Il ovens. A sample of 43 type I ovens has a mean repair cost of $70.15. with a standard deviation of $20.62. A sample of 57 type Il ovens has a mean repair
cost of $65.36, with a standard deviation of $22.21. Conduct a hypothesis test of the technician's claim at the 0.05 level of significance. Let u, be the true mean repair
cost for type I ovens and uz be the true mean repair cost for type Il ovens.
Step 2 of 4: Compute the value of the test statistic. Round your answer to two decimal places.
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© 2020 Hawkes Learning
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P Search for anything
4 11/24/2020
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G
pause
B
ctri
Transcribed Image Text:3/16 Question 2 of 4, Step 2 of 4 Correct Incorrect A technician compares repair costs for two types of microwave ovens (type I and type II). He believes that the repair cost for type I ovens is greater than the repair cost for type Il ovens. A sample of 43 type I ovens has a mean repair cost of $70.15. with a standard deviation of $20.62. A sample of 57 type Il ovens has a mean repair cost of $65.36, with a standard deviation of $22.21. Conduct a hypothesis test of the technician's claim at the 0.05 level of significance. Let u, be the true mean repair cost for type I ovens and uz be the true mean repair cost for type Il ovens. Step 2 of 4: Compute the value of the test statistic. Round your answer to two decimal places. 囲 Tables E Keypad Answer How to enter your answer Keyboard Shortcuts Previous Step Answers Tutor Skip Try Similar Submit Answer © 2020 Hawkes Learning 618 PM P Search for anything 4 11/24/2020 hp 7 home G pause B ctri
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