A randomly selected sample of 400 students at a university with 15-week semesters was asked whether or not they think the semester should be shortened to 14 weeks (with longer classes). Forty-six percent (46%) of the 400 students surveyed answered "yes." Which one of the following statements about the number 46% is correct? a) It is a sample statistic. b) It is a population parameter. c) It is a margin of error. d) It is a standard error.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
100%
17. A randomly selected sample of 400 students at a university with 15-week semesters was asked whether or
not they think the semester should be shortened to 14 weeks (with longer classes). Forty-six percent (46%)
of the 400 students surveyed answered "yes." Which one of the following statements about the number 46%
is correct?
a) It is a sample statistic.
b) It is a population parameter.
c) It is a margin of error.
d) It is a standard error.
18. A hypothesis test is conducted and the p-value of the test statistic is 0.02. Four of the following statements
are valid. Which statement is not valid?
a) It is not very likely that the extremeness of the test statistic is due to chance.
b) Assuming the null hypothesis is true, there is a 2% chance of getting a more extreme test
statistic.
c) There is a 2% chance that the null hypothesis is false.
d) At the 0.05 significance level, you would reject the null hypothesis.
c) At the 0.01 significance level, you would fail to reject the null hypothesis.
4.
@ 上
弗
Transcribed Image Text:17. A randomly selected sample of 400 students at a university with 15-week semesters was asked whether or not they think the semester should be shortened to 14 weeks (with longer classes). Forty-six percent (46%) of the 400 students surveyed answered "yes." Which one of the following statements about the number 46% is correct? a) It is a sample statistic. b) It is a population parameter. c) It is a margin of error. d) It is a standard error. 18. A hypothesis test is conducted and the p-value of the test statistic is 0.02. Four of the following statements are valid. Which statement is not valid? a) It is not very likely that the extremeness of the test statistic is due to chance. b) Assuming the null hypothesis is true, there is a 2% chance of getting a more extreme test statistic. c) There is a 2% chance that the null hypothesis is false. d) At the 0.05 significance level, you would reject the null hypothesis. c) At the 0.01 significance level, you would fail to reject the null hypothesis. 4. @ 上 弗
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman