The average final exam score for the statistics course is 76%. 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 higher. The final exam scores for the 14 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 76, 97, 89, 96, 85, 67, 86, 74, 74, 91, 81, 90, 90, 92 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: v Select an answer H1: ?v Select an answer 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 g. Thus, the final conclusion is that... the null hypothesis. O The data suggest the populaton mean is significantly higher than 76 at a = 0.01, 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 higher than 76. 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 higher than 76 at a = 0.01, 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 higher than 76. O The data suggest the population mean is not significantly higher than 76 at a = 0.01, 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
The average final exam score for the statistics course is 76%. 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 higher. The final exam scores for the 14 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 76, 97, 89, 96, 85, 67, 86, 74, 74, 91, 81, 90, 90, 92 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: v Select an answer H1: ?v Select an answer 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 g. Thus, the final conclusion is that... the null hypothesis. O The data suggest the populaton mean is significantly higher than 76 at a = 0.01, 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 higher than 76. 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 higher than 76 at a = 0.01, 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 higher than 76. O The data suggest the population mean is not significantly higher than 76 at a = 0.01, 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
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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
Transcribed Image Text:The average final exam score for the statistics course is 76%. 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 higher. The final
exam scores for the 14 randomly selected students who were given the colored pens are shown
below. Assume that the distribution of the population is normal.
76, 97, 89, 96, 85, 67, 86, 74, 74, 91, 81, 90, 90, 92
What can be concluded at the the a = 0.01 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
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 ?va
f. Based on this, we should Select an answer v the null hypothesis.
g. Thus, the final conclusion is that ...
O The data suggest the populaton mean is significantly higher than 76 at a = 0.01, 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 higher than
76.
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 higher than 76 at a = 0.01, 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 higher
than 76.
O The data suggest the population mean is not significantly higher than 76 at a = 0.01, 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
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