uppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of three for each of the treatments (cars types). Using the hypothetical data provided below, test whether the mean pressure applied to the driver’s head during a crash test is equal for each types of car. Use a significant level of 5%. Compact cars (643; 655; 702). Mid-size cars (469; 427; 525). Full-size cars (484; 456; 402). SST = 86049.556. TSS = 96303.556. What conclusion can be drawn from this scenario? A. Do not Reject H0 and conclude that all three populations have different mean pressure. B. Reject H0 and conclude that at least two of populations differs from the others in terms of their mean pressure. C. Reject H0 and conclude that there is insufficient evidence for differences in mean pressure for the three populations. D. Do not reject H0 and conclude that the mean pressure in these three populations are not the same.
uppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of three for each of the treatments (cars types). Using the hypothetical data provided below, test whether the mean pressure applied to the driver’s head during a crash test is equal for each types of car. Use a significant level of 5%. Compact cars (643; 655; 702). Mid-size cars (469; 427; 525). Full-size cars (484; 456; 402). SST = 86049.556. TSS = 96303.556. What conclusion can be drawn from this scenario? A. Do not Reject H0 and conclude that all three populations have different mean pressure. B. Reject H0 and conclude that at least two of populations differs from the others in terms of their mean pressure. C. Reject H0 and conclude that there is insufficient evidence for differences in mean pressure for the three populations. D. Do not reject H0 and conclude that the mean pressure in these three populations are not the same.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of three for each of the treatments (cars types). Using the hypothetical data provided below, test whether the mean pressure applied to the driver’s head during a crash test is equal for each types of car. Use a significant level of 5%. Compact cars (643; 655; 702). Mid-size cars (469; 427; 525). Full-size cars (484; 456; 402). SST = 86049.556. TSS = 96303.556. What conclusion can be drawn from this scenario?
A. Do not Reject H0 and conclude that all three populations have different mean pressure.
B. Reject H0 and conclude that at least two of populations differs from the others in terms of their mean pressure.
C. Reject H0 and conclude that there is insufficient evidence for differences in mean pressure for the three populations.
D. Do not reject H0 and conclude that the mean pressure in these three populations are not the same.
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