The Excel file STATISTICSSTUDENTSSURVEYFORR contains the column YRAGE (a numerical variable that measures student age at the time of completing an online survey). For education purposes, consider this dataset to be a sample of size 60 taken from a much wider population for statistics students. Use R/Rcmdr to find a 97% confidence interval for the mean of the population. Choose the most correct (closest) statement below? a. Your confidence interval is (19.01790, 20.74877) yrs and it wider than a 90% confidence interval created from this data. b. Your confidence interval is (18.92152, 20.84515) yrs and is wider than a 90% confidence interval created from this data. c. Your confidence interval is (18.92152,20.84515)) yrs and is narrower than a 90% confidence interval created from this data. d. Your confidence interval is (19.01790, 20.74877) yrs and is narrower than a 90% confidence interval created from this data. YRAGE 25 18 19 17 20 19 18 21 18 17 18 19 21 22 19 18 17 22 18 21 18 18 18 18 17 19 18 19 18 17 18 18 18 20 21 17 17 17 19 18 18 19 20 19 25 20 21 33 28 30 25 24 27 17 17 18 19 22 21 20
The Excel file STATISTICSSTUDENTSSURVEYFORR contains the column YRAGE (a numerical variable that measures student age at the time of completing an online survey). For education purposes, consider this dataset to be a sample of size 60 taken from a much wider population for statistics students. Use R/Rcmdr to find a 97% confidence interval for the mean of the population. Choose the most correct (closest) statement below? a. Your confidence interval is (19.01790, 20.74877) yrs and it wider than a 90% confidence interval created from this data. b. Your confidence interval is (18.92152, 20.84515) yrs and is wider than a 90% confidence interval created from this data. c. Your confidence interval is (18.92152,20.84515)) yrs and is narrower than a 90% confidence interval created from this data. d. Your confidence interval is (19.01790, 20.74877) yrs and is narrower than a 90% confidence interval created from this data. YRAGE 25 18 19 17 20 19 18 21 18 17 18 19 21 22 19 18 17 22 18 21 18 18 18 18 17 19 18 19 18 17 18 18 18 20 21 17 17 17 19 18 18 19 20 19 25 20 21 33 28 30 25 24 27 17 17 18 19 22 21 20
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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Question
The Excel file STATISTICSSTUDENTSSURVEYFORR contains the column YRAGE (a numerical variable that measures student age at the time of completing an online survey). For education purposes, consider this dataset to be a sample of size 60 taken from a much wider population for statistics students. Use R/Rcmdr to find a 97% confidence interval for the mean of the population. Choose the most correct (closest) statement below?
a.
Your confidence interval is (19.01790, 20.74877) yrs and it wider than a 90% confidence interval created from this data.
b.
Your confidence interval is (18.92152, 20.84515) yrs and is wider than a 90% confidence interval created from this data.
c.
Your confidence interval is (18.92152,20.84515)) yrs and is narrower than a 90% confidence interval created from this data.
d.
Your confidence interval is (19.01790, 20.74877) yrs and is narrower than a 90% confidence interval created from this data.
| YRAGE |
| 25 |
| 18 |
| 19 |
| 17 |
| 20 |
| 19 |
| 18 |
| 21 |
| 18 |
| 17 |
| 18 |
| 19 |
| 21 |
| 22 |
| 19 |
| 18 |
| 17 |
| 22 |
| 18 |
| 21 |
| 18 |
| 18 |
| 18 |
| 18 |
| 17 |
| 19 |
| 18 |
| 19 |
| 18 |
| 17 |
| 18 |
| 18 |
| 18 |
| 20 |
| 21 |
| 17 |
| 17 |
| 17 |
| 19 |
| 18 |
| 18 |
| 19 |
| 20 |
| 19 |
| 25 |
| 20 |
| 21 |
| 33 |
| 28 |
| 30 |
| 25 |
| 24 |
| 27 |
| 17 |
| 17 |
| 18 |
| 19 |
| 22 |
| 21 |
| 20 |
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