An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were blocks in the experiment. The data obtained follow. Analyzer Computerized Electronic Compact 50 41 Car Intermediate 54 44 Full-sized 64 47 Use a = 0.05 to test for any significant differences. State the null and alternative hypotheses O Hoi Hcompact" antermediate "HFull-sized H FCompact * HIntermediate Full-sized O Hoi Hcompact* "ntarmediate * HFul-sized " Fcompact " Hntermediate " HFul-sized O Ho! Hcomputerized " HElecaronie H HComputerized* HElectronic O Ho: HComputerized " HElectronic " FCompact " Hntermedate "Ful-sized H: Not all the population means are equal. O Ha: Heamauterized* "Electronie H Computerized"HElectronie Find the value of the test statistic, (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) prvalue - State your conclusion. O Do not reject Hg- There is not sufficient evidence to condude that the mean tune-up times are not the same for both analyzers. O Reject H. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers. O Do not reject Hg. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers. O Reject H,. There is not sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were blocks in the experiment. The data obtained follow. Analyzer Computerized Electronic Compact 50 41 Car Intermediate 54 44 Full-sized 64 47 Use a = 0.05 to test for any significant differences. State the null and alternative hypotheses O Hoi Hcompact" antermediate "HFull-sized H FCompact * HIntermediate Full-sized O Hoi Hcompact* "ntarmediate * HFul-sized " Fcompact " Hntermediate " HFul-sized O Ho! Hcomputerized " HElecaronie H HComputerized* HElectronic O Ho: HComputerized " HElectronic " FCompact " Hntermedate "Ful-sized H: Not all the population means are equal. O Ha: Heamauterized* "Electronie H Computerized"HElectronie Find the value of the test statistic, (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) prvalue - State your conclusion. O Do not reject Hg- There is not sufficient evidence to condude that the mean tune-up times are not the same for both analyzers. O Reject H. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers. O Do not reject Hg. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers. O Reject H,. There is not sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were us
blocks in the experiment. The data obtained follow.
Analyzer
Computerized
Electronic
Compact
50
41
Car
Intermediate
54
44
Full-sized
64
47
Use a = 0.05 to test for any significant differences.
State the null and alternative hypotheses.
O Ho: MCompact = "Intermediate = "Full-sized
H: "Compact *"Intermediate * Full-sized
O Ho: "Compact * "Intermediate
* Full-sized
H: "Compact = "Intermediate "Full-sized
O Ho: "Computerized = HElectronic
H: "Computerized * "Electronic
O Ho: "Computerized = "Electronic = "Compact = 4Intermediate = "Full-sized
H: Not all the population means are equal.
O Ho: "Computerized * HElectronic
H: "Computerized = "Electronic
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to three decimal places.)
p-value =
State your conclusion.
O Do not reject H.. There is not sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
O Reject H.. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
O Do not reject H.. There is sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
O Reject H,. There is not sufficient evidence to conclude that the mean tune-up times are not the same for both analyzers.
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