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?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL