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A poll reported that 32% of 180 Canadians between the ages of 25 and 29 had started saving money for retirement. Of the 190 Canadians surveyed between the ages of 21 and 24, 25% had started saving for retirement. Carry out an appropriate hypothesis test and see whether there is any difference between the proportions of Canadians between the ages of 25 and 29 and the ages of 21 and 24 who had started saving for retirement. (a) What are the null and alternative hypotheses? Ho: p HẠ: p (b) What is the test statistic? (Round your answer to 2 decimal places, if needed.) (c) Using the statistical table, what is the p-value? (Round your answer to 4 decimal places, if needed.) (d) Based on the p-value, what can you conclude? O There is about a 13.62% chance that the two proportions are equal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation. O There is about a 13.62% chance that the two proportions are unequal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the exact observed difference by natural sampling variation. O If there is no difference in the proportions, there is about a 13.62% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation.

A poll reported that 32% of 180 Canadians between the ages of 25 and 29 had started saving money for retirement. Of the 190 Canadians surveyed between the ages of 21 and 24, 25% had started saving for retirement. Carry out an appropriate hypothesis test and see whether there is any difference between the proportions of Canadians between the ages of 25 and 29 and the ages of 21 and 24 who had started saving for retirement. (a) What are the null and alternative hypotheses? Ho: p HẠ: p (b) What is the test statistic? (Round your answer to 2 decimal places, if needed.) (c) Using the statistical table, what is the p-value? (Round your answer to 4 decimal places, if needed.) (d) Based on the p-value, what can you conclude? O There is about a 13.62% chance that the two proportions are equal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation. O There is about a 13.62% chance that the two proportions are unequal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the exact observed difference by natural sampling variation. O If there is no difference in the proportions, there is about a 13.62% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation.

MATLAB: An Introduction with Applications
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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A poll reported that 32% of 180 Canadians between the ages of 25 and 29 had started saving money for retirement. Of the 190 Canadians surveyed between the ages of 21 and 24, 25% had started saving for retirement. Carry out an appropriate hypothesis test and see whether there is any difference between the proportions of Canadians between the ages of 25 and 29 and the ages of 21 and 24 who had started saving for retirement. (a) What are the null and alternative hypotheses? Но: р На р (b) What is the test statistic? (Round your answer to 2 decimal places, if needed.) (c) Using the statistical table, what is the p-value? (Round your answer to 4 decimal places, if needed.) (d) Based on the p-value, what can you conclude? O There is about a 13.62% chance that the two proportions are equal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation. O There is about a 13.62% chance that the two proportions are unequal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the exact observed difference by natural sampling variation. O If there is no difference in the proportions, there is about a 13.62% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation.
Transcribed Image Text:A poll reported that 32% of 180 Canadians between the ages of 25 and 29 had started saving money for retirement. Of the 190 Canadians surveyed between the ages of 21 and 24, 25% had started saving for retirement. Carry out an appropriate hypothesis test and see whether there is any difference between the proportions of Canadians between the ages of 25 and 29 and the ages of 21 and 24 who had started saving for retirement. (a) What are the null and alternative hypotheses? Но: р На р (b) What is the test statistic? (Round your answer to 2 decimal places, if needed.) (c) Using the statistical table, what is the p-value? (Round your answer to 4 decimal places, if needed.) (d) Based on the p-value, what can you conclude? O There is about a 13.62% chance that the two proportions are equal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation. O There is about a 13.62% chance that the two proportions are unequal. O If there is no difference in the proportions, there is about a 6.81% chance of seeing the exact observed difference by natural sampling variation. O If there is no difference in the proportions, there is about a 13.62% chance of seeing the observed difference or larger (as extreme or more extreme) by natural sampling variation.
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