The average final exam score for the statistics course is 79%. 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 16 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal 79, 78, 80, 57, 62, 83, 78, 80, 68, 86, 85, 86, 84, 51, 63, 52 What can be concluded at the the a 0.10 level of significance level of significance? a. For this study, b. The null and alternative hypotheses would be: we should use Select an answer Но: ? ? Ні: ? ? c. The test statistic? (please show your answer to 3 decimal places.) d. The p-value e. The p-value is ? f. Based on this, we should Select an answer (Please show your answer to 4 decimal places.) the null hypothesis. g. Thus, the final conclusion is that ... given colored pens at the so there is statistically insignificant OThe data suggest that the population beginning of class is not significantly lower than 79 at a 0.10, 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 79. mean final exam score for students who are The data suggest the population insignificant evidence to conclude that the population colored pens at the beginning of class is equal to 79 mean is not significantly lower than 79 at a 0.10, so there is statistically given mean final exam score for students who are The data suggest the populaton mean is significantly lower than 79 at a 0.10, so there is statistically significant evidence to conclude that the population mean final exam score for students who are colored pens at the beginning of class is lower than 79 given
The average final exam score for the statistics course is 79%. 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 16 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal 79, 78, 80, 57, 62, 83, 78, 80, 68, 86, 85, 86, 84, 51, 63, 52 What can be concluded at the the a 0.10 level of significance level of significance? a. For this study, b. The null and alternative hypotheses would be: we should use Select an answer Но: ? ? Ні: ? ? c. The test statistic? (please show your answer to 3 decimal places.) d. The p-value e. The p-value is ? f. Based on this, we should Select an answer (Please show your answer to 4 decimal places.) the null hypothesis. g. Thus, the final conclusion is that ... given colored pens at the so there is statistically insignificant OThe data suggest that the population beginning of class is not significantly lower than 79 at a 0.10, 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 79. mean final exam score for students who are The data suggest the population insignificant evidence to conclude that the population colored pens at the beginning of class is equal to 79 mean is not significantly lower than 79 at a 0.10, so there is statistically given mean final exam score for students who are The data suggest the populaton mean is significantly lower than 79 at a 0.10, so there is statistically significant evidence to conclude that the population mean final exam score for students who are colored pens at the beginning of class is lower than 79 given
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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Transcribed Image Text:The average final exam score for the statistics course is 79%. 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 16 randomly
selected students who were given the colored pens are shown below. Assume that the distribution of the population is
normal
79, 78, 80, 57, 62, 83, 78, 80, 68, 86, 85, 86, 84, 51, 63, 52
What can be concluded at the the a 0.10 level of significance level of significance?
a. For this study,
b. The null and alternative hypotheses would be:
we should use
Select an answer
Но:
?
?
Ні:
?
?
c. The test statistic?
(please show your answer to 3 decimal places.)
d. The p-value
e. The p-value is ?
f. Based on this, we should Select an answer
(Please show your answer to 4 decimal places.)
the null hypothesis.
g. Thus, the final conclusion is that ...
given colored pens at the
so there is statistically insignificant
OThe data suggest that the population
beginning of class is not significantly lower than 79 at a 0.10,
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 79.
mean final exam score for students who are
The data suggest the population
insignificant evidence to conclude that the population
colored pens at the beginning of class is equal to 79
mean is not significantly lower than 79 at a 0.10, so there is statistically
given
mean final exam score for students who are
The data suggest the populaton mean is significantly lower than 79 at a 0.10, so there is statistically
significant evidence to conclude that the population mean final exam score for students who are
colored pens at the beginning of class is lower than 79
given
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