a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Но: H1: c. The test statistic | t (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer %3D to 4 decimal places,)

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The average final exam score for the statistics course is
82%. 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 14
randomly selected students who were given the colored
pens are shown below. ASsume that the distribution of the
population is normal.
92, 81, 89, 76, 64, 63, 83, 83, 59, 56, 63, 56, 84, 62
What can be concluded at the the a =
0.01 level of
significance level of significance?
a. For this study, we should use
t-test for a population mean
b. The null and alternative hypotheses would be:
Но:
H1:
μ
c. The test statistic t
(please
%3D
show your answer to 3 decimal places.)
d. The p-value
(Please show your answer
%D
to 4 decimal places.)
Transcribed Image Text:The average final exam score for the statistics course is 82%. 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 14 randomly selected students who were given the colored pens are shown below. ASsume that the distribution of the population is normal. 92, 81, 89, 76, 64, 63, 83, 83, 59, 56, 63, 56, 84, 62 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Но: H1: μ c. The test statistic t (please %3D show your answer to 3 decimal places.) d. The p-value (Please show your answer %D to 4 decimal places.)
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