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The average amount of time it takes for couples to further communicate with each other after their first date has ended is 3.19 days. Is this average different for blind dates? A researcher interviewed 65 couples who had recently been on blind dates and found that they averaged 2.9 days to communicate with each other after the date was over. Their standard deviation was 1.069 days. What ca be concluded at the a - 0.10 level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: p 3.19 H: Hv 3.19 c. The test statistic t v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is s a f. Based on this, we should fail to reject g. Thus, the final conclusion is that ... v the null hypothesis. O The data suggest that the population mean is not significantly different from 3.19 at a = 0.10, so there is statistically insignificant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. O The data suggest the population mean is not significantly different from 3.19 ata = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is equal to 3.19. OThe data suggest the populaton mean is significantly different from 3.19 at a = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. > Next Question

The average amount of time it takes for couples to further communicate with each other after their first date has ended is 3.19 days. Is this average different for blind dates? A researcher interviewed 65 couples who had recently been on blind dates and found that they averaged 2.9 days to communicate with each other after the date was over. Their standard deviation was 1.069 days. What ca be concluded at the a - 0.10 level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: p 3.19 H: Hv 3.19 c. The test statistic t v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is s a f. Based on this, we should fail to reject g. Thus, the final conclusion is that ... v the null hypothesis. O The data suggest that the population mean is not significantly different from 3.19 at a = 0.10, so there is statistically insignificant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. O The data suggest the population mean is not significantly different from 3.19 ata = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is equal to 3.19. OThe data suggest the populaton mean is significantly different from 3.19 at a = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. > Next Question

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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The average amount of time it takes for couples to further communicate with each other after their first date has ended is 3.19 days. Is this average different for blind dates? A researcher interviewed 65 couples who had recently been on blind dates and found that they averaged 2.9 days to communicate with each other after the date was over. Their standard deviation was 1.069 days. What ca be concluded at the a - 0.10 level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: p 3.19 H: 3.19 c. The test statistic t v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is sa f. Based on this, we should fail to reject g. Thus, the final conclusion is that ... v the null hypothesis. O The data suggest that the population mean is not significantly different from 3.19 at a = 0.10, so there is statistically insignificant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. O The data suggest the population mean is not significantly different from 3.19 ata = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is equal to 3.19. O The data suggest the populaton mean is significantly different from 3.19 at a = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. > Next Question
Transcribed Image Text:The average amount of time it takes for couples to further communicate with each other after their first date has ended is 3.19 days. Is this average different for blind dates? A researcher interviewed 65 couples who had recently been on blind dates and found that they averaged 2.9 days to communicate with each other after the date was over. Their standard deviation was 1.069 days. What ca be concluded at the a - 0.10 level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: p 3.19 H: 3.19 c. The test statistic t v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is sa f. Based on this, we should fail to reject g. Thus, the final conclusion is that ... v the null hypothesis. O The data suggest that the population mean is not significantly different from 3.19 at a = 0.10, so there is statistically insignificant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. O The data suggest the population mean is not significantly different from 3.19 ata = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is equal to 3.19. O The data suggest the populaton mean is significantly different from 3.19 at a = 0.10, so there is statistically significant evidence to conclude that the population mean time for couples who have been on a blind date to communicate with each other after the date is over is different from 3.19. > Next Question
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