sample of 25 students who score a mean of 53. a. Shine claims that these students don't have very high self-esteem, bec points above the population mean. Why can't she make this claim mer the X? b. What should she do? c. What is the z-score for this sample?

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
icon
Concept explainers
Topic Video
Question
Q. 1
In the population, the average score on a test of self-esteem is 50 (o= 5). You select a random
sample of 25 students who score a mean of 53.
Shine claims that these students don't have very high self-esteem, because they are only 3
points above the population mean. Why cant she make this claim merely by looking at
the X?
b. What should she do?
c. What is the z-score for this sample?
d. What conclusion do you draw about your sample?
a.
Transcribed Image Text:Q. 1 In the population, the average score on a test of self-esteem is 50 (o= 5). You select a random sample of 25 students who score a mean of 53. Shine claims that these students don't have very high self-esteem, because they are only 3 points above the population mean. Why cant she make this claim merely by looking at the X? b. What should she do? c. What is the z-score for this sample? d. What conclusion do you draw about your sample? a.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Centre, Spread, and Shape of a Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE 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