C you have a choice from a second photo and in second boxes you choose from <,>, =, =/= In the last one, you choose either 1. (less, greater) 2. (reject, do not reject), 3. (is, is not) thank you for your
C you have a choice from a second photo and in second boxes you choose from <,>, =, =/= In the last one, you choose either 1. (less, greater) 2. (reject, do not reject), 3. (is, is not) thank you for your
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In C you have a choice from a second photo and in second boxes you choose from <,>, =, =/=
In the last one, you choose either 1. (less, greater) 2. (reject, do not reject), 3. (is, is not)
thank you for your help
![Data show that men between the ages of 20 and 29 have a mean height of 69.3 inches, with a standard deviation of 3.1 inches. A baseball analyst wonders
whether the standard deviation of heights of professional baseball players is less than 3.1 inches. The heights (in inches) of 20 randomly selected players are
shown in the table. Complete parts (a) through (c) below.
Click here to view the data table.
Click here to view the chi-square distribution table.
(a) Are the given data normally distributed? (Check by constructing a normal probability plot.)
A. No, the plot has a curve and some of the data do not lie within the bounds.
B. Yes, the data come from a distribution that is approximately normal.
- X
C. No, not all the data lie within the bounds of the normal probability plot.
D. No, the normal probability plot has a curve.
Height Data
(b) Compute the sample standard deviation.
72 74 71 71 76
|70 77 74 72 72
77 71 75 70 73
74 75 73 74 74
s= inches
(Round to two decimal places as needed.)
(c) Test the notion at the a = 0.10 level of significance.
What are the correct hypotheses for this test?
] versus H;:
(Type integers or decimals. Do not round.)
Print
Done
Calculate the value of the test statistic.
xổ = (Round to two decimal places as needed.)
Approximate the P-value for the test statistic. Choose the correct answer below.
A. The P-value is less than 0.005.
B. The P-value is between 0.01 and 0.025.
C. The P-value is between 0.05 and 0.10.
D. The P-value is greater than 0.10.
E. The P-value is between 0.005 and 0.01.
OF. The P-value is between 0.025 and 0.05.
What is the correct conclusion at the a= 0.10 level of significance?
Since the P-value is
than the level of significance,
the null hypothesis. There
sufficient evidence to conclude that the standard
deviation of heights of professional baseball players is less than the standard deviation of heights of men between the ages of 20 and 29 at the 0.10 level of
significance.
O O O O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0957ce8-3b5a-4f4d-b153-55a860537602%2Ffa10fa77-be5a-42f9-85ad-e6a1791793e1%2F8dg8qsd_processed.png&w=3840&q=75)
Transcribed Image Text:Data show that men between the ages of 20 and 29 have a mean height of 69.3 inches, with a standard deviation of 3.1 inches. A baseball analyst wonders
whether the standard deviation of heights of professional baseball players is less than 3.1 inches. The heights (in inches) of 20 randomly selected players are
shown in the table. Complete parts (a) through (c) below.
Click here to view the data table.
Click here to view the chi-square distribution table.
(a) Are the given data normally distributed? (Check by constructing a normal probability plot.)
A. No, the plot has a curve and some of the data do not lie within the bounds.
B. Yes, the data come from a distribution that is approximately normal.
- X
C. No, not all the data lie within the bounds of the normal probability plot.
D. No, the normal probability plot has a curve.
Height Data
(b) Compute the sample standard deviation.
72 74 71 71 76
|70 77 74 72 72
77 71 75 70 73
74 75 73 74 74
s= inches
(Round to two decimal places as needed.)
(c) Test the notion at the a = 0.10 level of significance.
What are the correct hypotheses for this test?
] versus H;:
(Type integers or decimals. Do not round.)
Print
Done
Calculate the value of the test statistic.
xổ = (Round to two decimal places as needed.)
Approximate the P-value for the test statistic. Choose the correct answer below.
A. The P-value is less than 0.005.
B. The P-value is between 0.01 and 0.025.
C. The P-value is between 0.05 and 0.10.
D. The P-value is greater than 0.10.
E. The P-value is between 0.005 and 0.01.
OF. The P-value is between 0.025 and 0.05.
What is the correct conclusion at the a= 0.10 level of significance?
Since the P-value is
than the level of significance,
the null hypothesis. There
sufficient evidence to conclude that the standard
deviation of heights of professional baseball players is less than the standard deviation of heights of men between the ages of 20 and 29 at the 0.10 level of
significance.
O O O O
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