The braking ability was compared for two car models. Random samples of two cars were selected. The first random sample of size 64 cars yield a mean of 36 and a standard deviation of 8. The second sample of size 64 yield a sample mean of 33 and a standard deviation of 8. Do the data provide sufficient evidence to indicate a difference between the mean stopping distances for the two models? Use Alpha= 0.01. Ho:H1 – µ2 = 0 vs. Ha:µ1 – µ2 # 0 . p-value = 0.0017. Reject Ho | O Ho: H1 – µ2 = 0 vs. Ha: µ1 – µz # 0. p-value = 0.034. Accept Ho | Ho: µ1 – H2 = 0 vs. Hạ: µ1 – µ2 # 0. p-value = 0.0017. Accept Ho | 0.024
The braking ability was compared for two car models. Random samples of two cars were selected. The first random sample of size 64 cars yield a mean of 36 and a standard deviation of 8. The second sample of size 64 yield a sample mean of 33 and a standard deviation of 8. Do the data provide sufficient evidence to indicate a difference between the mean stopping distances for the two models? Use Alpha= 0.01. Ho:H1 – µ2 = 0 vs. Ha:µ1 – µ2 # 0 . p-value = 0.0017. Reject Ho | O Ho: H1 – µ2 = 0 vs. Ha: µ1 – µz # 0. p-value = 0.034. Accept Ho | Ho: µ1 – H2 = 0 vs. Hạ: µ1 – µ2 # 0. p-value = 0.0017. Accept Ho | 0.024
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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