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QUESTION 8 STAT1000E2twopopS2021.pdf The owner of a service station wants to determine if owners of new cars (two years old or less) change their car's oil more frequently than owners of older cars (more than two years old). From his records he takes a sample of new cars and a sample of older cars and determines the number of times the oil was changed in the last 12 months. The data is as follows and the attached printout is provided for your use. New: 4, 3, 3, 2, 4, 3, 2 Old : 4, 2, 1, 2, 3, 2, 1 At 5% level of significance, Do these data allow the service manager to conclude that new car owners change their car's oil, on the average, more frequently than older car owners? a. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. b. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may exist. Oc. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may not exist. Od. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. e. The significance level here does not provide enough information to make a conclusion.

QUESTION 8 STAT1000E2twopopS2021.pdf The owner of a service station wants to determine if owners of new cars (two years old or less) change their car's oil more frequently than owners of older cars (more than two years old). From his records he takes a sample of new cars and a sample of older cars and determines the number of times the oil was changed in the last 12 months. The data is as follows and the attached printout is provided for your use. New: 4, 3, 3, 2, 4, 3, 2 Old : 4, 2, 1, 2, 3, 2, 1 At 5% level of significance, Do these data allow the service manager to conclude that new car owners change their car's oil, on the average, more frequently than older car owners? a. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. b. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may exist. Oc. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may not exist. Od. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. e. The significance level here does not provide enough information to make a conclusion.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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QUESTION 8 STAT1000E2twopopS2021.pdf The owner of a service station wants to determine if owners of new cars (two years old or less) change their car's oil more frequently than owners of older cars (more than two years old). From his records he takes a sample of new cars and a sample of older cars and determines the number of times the oil was changed in the last 12 months. The data is as follows and the attached printout is provided for your use. New: 4, 3, 3, 2, 4, 3, 2 Old : 4, 2, 1, 2, 3, 2, 1 At 5% level of significance, Do these data allow the service manager to conclude that new car owners change their car's oil, on the average, more frequently than older car owners? a. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. b. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may exist. Oc. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may not exist. Od. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. e. The significance level here does not provide enough information to make a conclusion.
Transcribed Image Text:QUESTION 8 STAT1000E2twopopS2021.pdf The owner of a service station wants to determine if owners of new cars (two years old or less) change their car's oil more frequently than owners of older cars (more than two years old). From his records he takes a sample of new cars and a sample of older cars and determines the number of times the oil was changed in the last 12 months. The data is as follows and the attached printout is provided for your use. New: 4, 3, 3, 2, 4, 3, 2 Old : 4, 2, 1, 2, 3, 2, 1 At 5% level of significance, Do these data allow the service manager to conclude that new car owners change their car's oil, on the average, more frequently than older car owners? a. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. b. There is not sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may exist. Oc. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners when in fact such evidence may not exist. Od. There is sufficient evidence to conclude that new car owners change their car's oil, on the average, more frequently than older car owners. e. The significance level here does not provide enough information to make a conclusion.
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