For items 5 & 6: 5. If the area of the shaded part of the t-distribution below is 0.15, what is the area of the unshaded region? A. 0.15 B.0.75 C. 15% D. 0.85 6. Using the t-table, if the t-value is -1.708 and the shaded region is on the left of the t-distribution, what is the area of the unshaded region? A. 0.05 B. 0.10 C. 0.90 D. 0.95A 7. Which of the following values and percents illustrates the confidence interval? A. 30.8 B. (35,39) C. 92% D. 92% and 94% 8. What do you call the value resulting from adding the margin of error from the sample mean? A point estimate C. lower limit of the interval B. interval estimate D. upper limit of the interval 9. What do you call the value resulting from subtracting the margin of error from the sample mean? A point estimate C. lower limit of the interval B. interval estimate D. upper limit of the interval 10. Given a sample size of 125 and a population standard deviation of 88 having an 80% level of confidence. Which of the following values is the length of the confidence interval?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Answer 5,6,7
For items 5 & 6:
If the area of the shaded part of the t-distribution below is 0.15, what is the area of the unshaded region?
A. 0.15
B. 0.75
C. 15%
D. 0.85
6.
Using the t-table, if the t-value is -1.708 and the shaded region is on the left of the t-distribution, what is the area of the unshaded
region?
A. 0.05
B. 0.10
C. 0.90
D. 0.95A
7.
Which of the following values and percents illustrates the confidence interval?
A. 30.8
B. (35,39)
C. 92%
D. 92% and 94%
8.
What do you call the value resulting from adding the margin of error from the sample mean?
A point estimate
C. lower limit of the interval
B. interval estimate
D. upper limit of the interval
9. What do you call the value resulting from subtracting the margin of error from the sample mean?
A point estimate
C. lower limit of the interval
B.
interval estimate
D. upper limit of the interval
10. Given a sample size of 125 and a population standard
values is the length of the confidence interval?
A 16.15
deviation of 88 having an 80% level of confidence. Which of the following
C. 20.15
B. 18.15
D. 24.15
Transcribed Image Text:For items 5 & 6: If the area of the shaded part of the t-distribution below is 0.15, what is the area of the unshaded region? A. 0.15 B. 0.75 C. 15% D. 0.85 6. Using the t-table, if the t-value is -1.708 and the shaded region is on the left of the t-distribution, what is the area of the unshaded region? A. 0.05 B. 0.10 C. 0.90 D. 0.95A 7. Which of the following values and percents illustrates the confidence interval? A. 30.8 B. (35,39) C. 92% D. 92% and 94% 8. What do you call the value resulting from adding the margin of error from the sample mean? A point estimate C. lower limit of the interval B. interval estimate D. upper limit of the interval 9. What do you call the value resulting from subtracting the margin of error from the sample mean? A point estimate C. lower limit of the interval B. interval estimate D. upper limit of the interval 10. Given a sample size of 125 and a population standard values is the length of the confidence interval? A 16.15 deviation of 88 having an 80% level of confidence. Which of the following C. 20.15 B. 18.15 D. 24.15
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