A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women. She randomly selected 52 men and 79 women to participate in the study. Each subject was required to step up and down a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained. Two sample T for Men vs Women Mean StDev SE Mean Men Women 98% Cl for mu Men - mụ Women (-11.45, - 0.75) T-Test mu Men = mu Women (vs <) T= - 2.71 P= 0.0039 DF = 124 52 79 112.2 118.3 11.3 14.4 1.6 1.6 (a) State the null and alternative hypotheses. Which of the following is correct? A. Hg: H1 = H2: Hạ: Hy H2 (b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.02. What is the P-value? P-value =
A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women. She randomly selected 52 men and 79 women to participate in the study. Each subject was required to step up and down a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained. Two sample T for Men vs Women Mean StDev SE Mean Men Women 98% Cl for mu Men - mụ Women (-11.45, - 0.75) T-Test mu Men = mu Women (vs <) T= - 2.71 P= 0.0039 DF = 124 52 79 112.2 118.3 11.3 14.4 1.6 1.6 (a) State the null and alternative hypotheses. Which of the following is correct? A. Hg: H1 = H2: Hạ: Hy H2 (b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.02. What is the P-value? P-value =
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women.
She randomly selected 52 men and 79 women to participate in the study. Each subject was required to step up and down
a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained.
Two sample T for Men vs Women
Mean
N
StDev
SE Mean
Men
Women
98% Cl for mu Men - mu Women
(- 11.45, - 0.75)
T-Test mu Men = mu Women (vs <)
T= - 2.71 P = 0.0039 DF = 124
52
112.2
11.3
1.6
79
118.3
14.4
16
.....
(a) State the null and alternative hypotheses. Which of the following is correct?
A. Ho: H1 = H2 Ha H1 <H2
O B. Ho: H1 = H2; H H1 # H2
O C. Ho: H1 = H2; H3 H> H2
(b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.02. What is the P-value?
P-value =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4e4dfb2d-a79b-45cd-b758-b268a18e3a23%2F3a1440a9-03b0-4d06-998f-dcbcb609f84a%2F8y04ya_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women.
She randomly selected 52 men and 79 women to participate in the study. Each subject was required to step up and down
a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained.
Two sample T for Men vs Women
Mean
N
StDev
SE Mean
Men
Women
98% Cl for mu Men - mu Women
(- 11.45, - 0.75)
T-Test mu Men = mu Women (vs <)
T= - 2.71 P = 0.0039 DF = 124
52
112.2
11.3
1.6
79
118.3
14.4
16
.....
(a) State the null and alternative hypotheses. Which of the following is correct?
A. Ho: H1 = H2 Ha H1 <H2
O B. Ho: H1 = H2; H H1 # H2
O C. Ho: H1 = H2; H3 H> H2
(b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.02. What is the P-value?
P-value =
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