1. fast please Questions 1 – 3 refer to the following: A physical therapist wanted to know whether the mean pulse of men was less than the mean pulse of women. She randomly selected 70 women and 51 men to participate in her study. Each subject was required to step up and down onto a 6-inch platform for 3 minutes. She obtained the following results:                           Sample size Sample mean Sample standard deviation Men 51 112.3 11.3 Women 70 118.3 14.2 This is a test of: Group of answer choices Matched pairs Two proportions Two means, population standard deviation known. Two means, population standard deviation unknown.

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

1. fast please

Questions 1 – 3 refer to the following:

A physical therapist wanted to know whether the mean pulse of men was less than the mean pulse of women. She randomly selected 70 women and 51 men to participate in her study. Each subject was required to step up and down onto a 6-inch platform for 3 minutes. She obtained the following results:

                       

 

Sample size

Sample mean

Sample standard deviation

Men

51

112.3

11.3

Women

70

118.3

14.2

  1. This is a test of:

Group of answer choices

Matched pairs

Two proportions

Two means, population standard deviation known.

Two means, population standard deviation unknown.

2. Which type of test is it?

Group of answer choices

Right-tailed test

Left-tailed test

two-tailed test

Unable to determine

3. At the 2% level of significance, the appropriate conclusion is:

Group of answer choices

The mean pulse of men is less than the mean pulse of women.

The mean pulse of men is higher than the mean pulse of women.

The mean pulse of men is at least equal to the mean pulse of women.

The mean pulse of men is no more than the mean pulse of women.

Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
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