A basketball coach was trying a new training program with this year’s team. He was hoping to increase the average number of points scored per game and started collecting team data as the season began.  His data of last year show the average number of points per game was 56, with a standard deviation of 7 points.  After the first 9 games of the season he found the average to be 60 points per game.  z score=1.71   Using a two-tailed test and α = .05, -What is the critical value of Z?   Using α = .01, one-tailed, what is the critical value of Z? -Is there evidence of a noticeable difference in the team’s scoring?

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
Topic Video
Question

A basketball coach was trying a new training program with this year’s team. He was hoping to increase the average number of points scored per game and started collecting team data as the season began.  His data of last year show the average number of points per game was 56, with a standard deviation of 7 points.  After the first 9 games of the season he found the average to be 60 points per game. 

z score=1.71

 

Using a two-tailed test and α = .05,

-What is the critical value of Z?

 

Using α = .01, one-tailed, what is the critical value of Z?

-Is there evidence of a noticeable difference in the team’s scoring?

 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
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
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