E: accept, reject, or fail to reject

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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can you answer C,E, F

E: accept, reject, or fail to reject 

Is the average time to complete an obstacle course longer when a patch is placed over the right eye than
when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an
obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a
patch over the other eye. The completion times are shown below. "Left" means the patch was placed over
the left eye and "Right" means the patch was placed over the right eye.
Time to Complete the Course
Right| 42 47 40 43| 41 41 48 45
Left 39 44 37 43 39 42 44 43
Assume a Normal distribution. What can be concluded at the the a = 0.01 level of significance level of
significance?
For this study, we should use Select an answer
a. The null and altemative hypotheses would be:
Họ: p1
V (please enter a decimal)
H: p1
(Please enter a decimal)
b. The test statistic
= 1.416
(please show your answer to 3 decimal places.)
c. The p-value =
d. The p-value is (? va
e. Based on this, we should Select an answer v the null hypothesis.
f. Thus, the final conclusion is that ...
(Please show your answer to 4 decimal places.)
O The results are statistically significant at a = 0.01, so there is sufficient evidence to conclude
that the eight volunteers that were completed the course slower on average with the patch
over the right eye compared to the left eye.
O The results are statistically insignificant at a = 0.01, so there is insufficient evidence to
conclude that the population mean time to complete the obstacle course with a patch over the
right eye is greater than the population mean time to complete the obstacle course with a
patch over the left eye.
The results are statistically significant at a = 0.01, so there is sufficient evidence to conclude
that the population mean time to complete the obstacle course with a patch over the right eye
is greater than the population mean time to complete the obstacle course with a patch over
the left eye.
O The results are statistically insignificant at a = 0.01, so there is statistically significant
evidence to conclude that the population mean time to complete the obstacle course with a
patch over the right eye is equal to the population mean time to complete the obstacle course
with a patch over the left eye.
Transcribed Image Text:Is the average time to complete an obstacle course longer when a patch is placed over the right eye than when a patch is placed over the left eye? Thirteen randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Time to Complete the Course Right| 42 47 40 43| 41 41 48 45 Left 39 44 37 43 39 42 44 43 Assume a Normal distribution. What can be concluded at the the a = 0.01 level of significance level of significance? For this study, we should use Select an answer a. The null and altemative hypotheses would be: Họ: p1 V (please enter a decimal) H: p1 (Please enter a decimal) b. The test statistic = 1.416 (please show your answer to 3 decimal places.) c. The p-value = d. The p-value is (? va e. Based on this, we should Select an answer v the null hypothesis. f. Thus, the final conclusion is that ... (Please show your answer to 4 decimal places.) O The results are statistically significant at a = 0.01, so there is sufficient evidence to conclude that the eight volunteers that were completed the course slower on average with the patch over the right eye compared to the left eye. O The results are statistically insignificant at a = 0.01, so there is insufficient evidence to conclude that the population mean time to complete the obstacle course with a patch over the right eye is greater than the population mean time to complete the obstacle course with a patch over the left eye. The results are statistically significant at a = 0.01, so there is sufficient evidence to conclude that the population mean time to complete the obstacle course with a patch over the right eye is greater than the population mean time to complete the obstacle course with a patch over the left eye. O The results are statistically insignificant at a = 0.01, so there is statistically significant evidence to conclude that the population mean time to complete the obstacle course with a patch over the right eye is equal to the population mean time to complete the obstacle course with a patch over the left eye.
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