The average final exam score for the statistics course is 77%. A professor wants to see if the average finalexam score for students who are given colored pens on the first day of class is lower. The final exam scoresfor the 15 randomly selected students who were given the colored pens are shown below. Assume that thedistribution of the population is normal.66, 88, 82, 62, 70, 54, 57, 55, 71, 49, 68, 88, 66, 56, 56What can be concluded at the the a = 0.10 level of significance level of significance?a. For this study, we should use Select an answerb. The null and alternative hypotheses would be:Ho: ? v| Select an answer vH: ? v Select an answer vc. The test statistic ?v =(please show your answer to 3 decimal places.)d. The p-value =e. The p-value is ? vaf. Based on this, we should Select an answer v the null hypothesis.g. Thus, the final conclusion is that ...(Please show your answer to 4 decimal places.)O The data suggest the population mean is not significantly lower than 77 at a = 0.10, so thereis statistically insignificant evidence to conclude that the population mean final exam score forstudents who are given colored pens at the beginning of class is equal to 77.O The data suggest that the population mean final exam score for students who are givencolored pens at the beginning of class is not significantly lower than 77 at a = 0.10, so there isstatistically insignificant evidence to conclude that the population mean final exam score forstudents who are given colored pens at the beginning of class is lower than 77.O The data suggest the populaton mean is significantly lower than 77 at a = 0.10, so there isstatistically significant evidence to conclude that the population mean final exam score forstudents who are given colored pens at the beginning of class is lower than 77.

her we use Z test for single mean assume that the distribution of population is normal Hypothesis…

The average final exam score for the statistics course is 77%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is lower. The final exam scores for the 15 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 66, 88, 82, 62, 70, 54, 57, 55, 71, 49, 68, 88, 66, 56, 56 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Họ: ?v Select an answer v H: ? Select an answer c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = e. The p-value is ? v a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that (Please show your answer to 4 decimal places.)

The average final exam score for the statistics course is 77%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is lower. The final exam scores for the 15 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 66, 88, 82, 62, 70, 54, 57, 55, 71, 49, 68, 88, 66, 56, 56 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Họ: ?v Select an answer v H: ? Select an answer c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = e. The p-value is ? v a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that (Please show your answer to 4 decimal places.)

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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Question

The average final exam score for the statistics course is 77%. A professor wants to see if the average final
exam score for students who are given colored pens on the first day of class is lower. The final exam scores
for the 15 randomly selected students who were given the colored pens are shown below. Assume that the
distribution of the population is normal.
66, 88, 82, 62, 70, 54, 57, 55, 71, 49, 68, 88, 66, 56, 56
What can be concluded at the the a = 0.10 level of significance 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
H: ? v Select an answer v
c. The test statistic ?v =
(please show your answer to 3 decimal places.)
d. The p-value =
e. The p-value is ? va
f. Based on this, we should Select an answer v the null hypothesis.
g. Thus, the final conclusion is that ...
(Please show your answer to 4 decimal places.)
O The data suggest the population mean is not significantly lower than 77 at a = 0.10, so there
is statistically insignificant evidence to conclude that the population mean final exam score for
students who are given colored pens at the beginning of class is equal to 77.
O The data suggest that the population mean final exam score for students who are given
colored pens at the beginning of class is not significantly lower than 77 at a = 0.10, so there is
statistically insignificant evidence to conclude that the population mean final exam score for
students who are given colored pens at the beginning of class is lower than 77.
O The data suggest the populaton mean is significantly lower than 77 at a = 0.10, so there is
statistically significant evidence to conclude that the population mean final exam score for
students who are given colored pens at the beginning of class is lower than 77.

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