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According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours more than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population.

According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours more than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours more than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population. 2.1, 2.5, 3.1, 1.7, 1, 2.2, 2, 2.9, 2.7, 3.2, 3.9, 0.6, 3.2 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer v H1: ?v Select an answer v c. The test statistic ? 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 ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly more than 2 at a = 0.05, s0 there is sufficient evidence to conclude that the population mean study time per unit for statistics students is equal to 2. O The data suggest that the population mean study time per unit for statistics students is not significantly more than 2 at a = 0.05, so there is insufficient evidence to conclude that the population mean study time per unit for statistics students is more than 2.
Transcribed Image Text:According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours more than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population. 2.1, 2.5, 3.1, 1.7, 1, 2.2, 2, 2.9, 2.7, 3.2, 3.9, 0.6, 3.2 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer v H1: ?v Select an answer v c. The test statistic ? 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 ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly more than 2 at a = 0.05, s0 there is sufficient evidence to conclude that the population mean study time per unit for statistics students is equal to 2. O The data suggest that the population mean study time per unit for statistics students is not significantly more than 2 at a = 0.05, so there is insufficient evidence to conclude that the population mean study time per unit for statistics students is more than 2.
(Please show your answer tcv Select an answer C. The test statistic ? v = (pleas yc shoul v Select an answer d. The p-value = (Please show he null e. The p-value i v ? f. Based on thi: ould Select an ansv)clusio usion is that... аcсept t statisti v ? reject fail to reject g. Thus, the fina ggest 1 icient evidence to conclude that thvalue = is not s OThe data suggest the population there is sufficient evidence to co statistics students is equal to 2. udents is equal to 2. (Please value is ? va O The data suggest that the popul. not significantly more than 2 at that the population mean study-antly more than 2 at a = 0.05, so th on this, we should Selee uggest that the population mean stu pulation mean study time per unit f. ? vSelect an answer ♥ Ho: ? Select a Selectan ? an answer v ? Selec H1: (pl Select! e test 23 e p-vaiue - |(Fieaše shov e p-value is ? a sed on this, we should Select an a c. The test statistic Selec us, the final conclusion is that 0.05 level of significance? V Select an answer t-test for a population mean z-test for a population proportion (please show your answer to 3 de N
Transcribed Image Text:(Please show your answer tcv Select an answer C. The test statistic ? v = (pleas yc shoul v Select an answer d. The p-value = (Please show he null e. The p-value i v ? f. Based on thi: ould Select an ansv)clusio usion is that... аcсept t statisti v ? reject fail to reject g. Thus, the fina ggest 1 icient evidence to conclude that thvalue = is not s OThe data suggest the population there is sufficient evidence to co statistics students is equal to 2. udents is equal to 2. (Please value is ? va O The data suggest that the popul. not significantly more than 2 at that the population mean study-antly more than 2 at a = 0.05, so th on this, we should Selee uggest that the population mean stu pulation mean study time per unit f. ? vSelect an answer ♥ Ho: ? Select a Selectan ? an answer v ? Selec H1: (pl Select! e test 23 e p-vaiue - |(Fieaše shov e p-value is ? a sed on this, we should Select an a c. The test statistic Selec us, the final conclusion is that 0.05 level of significance? V Select an answer t-test for a population mean z-test for a population proportion (please show your answer to 3 de N
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