Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α = 0.05. Internet Users 79.4 Award Winners 5.6 12 78.9 8.8 Construct a scatterplot. Choose the correct graph below. O A. Internet Users The linear correlation coefficient is r = . (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Ho: P H₁: p (Type integers or decimals. Do not round.) 56.8 68.0 77.7 11 3.2 1.7 The test statistic is t= (Round to two decimal places as needed.). The P-value is. (Round to three decimal places as needed.) Because the P-value of the linear correlation coefficient is winners. OB. 12- 30 37.8 0.1 Internet Users 90 G the significance level, there O C. Award Winners 12- 30 Internet Users 90 Q Q O D. Award Winners 12- ▬▬▬▬▬▬ 015 ++++++ 30 Internet Users Q Q sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

tres dos

Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value
of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α = 0.05.
Internet Users
Award Winners
Award Winners
12-
Construct a scatterplot. Choose the correct graph below.
O A.
0-
30
Internet Users
79.4
5.6
90
78.9 56.8
8.8 3.2
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
Determine the null and alternative hypotheses.
Ho: P
H₁: P
(Type integers or decimals. Do not round.)
The test statistic is t =■.
(Round to two decimal places as needed.)
68.0 77.7
1.7 11
The P-value is
(Round to three decimal places as needed.)
Because the P-value of the linear correlation coefficient is
winners.
Award Winners
B.
12-
30
●
37.8
0.1
Internet Users
90
Ⓡ
the significance level, there
O C.
Award Winners
12-
0-
30
·
●
Internet Users
90
O D.
Award Winners
12
ttto
30
▬
L
Internet Users
90
sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award
Transcribed Image Text:Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of α = 0.05. Internet Users Award Winners Award Winners 12- Construct a scatterplot. Choose the correct graph below. O A. 0- 30 Internet Users 79.4 5.6 90 78.9 56.8 8.8 3.2 The linear correlation coefficient is r= (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Ho: P H₁: P (Type integers or decimals. Do not round.) The test statistic is t =■. (Round to two decimal places as needed.) 68.0 77.7 1.7 11 The P-value is (Round to three decimal places as needed.) Because the P-value of the linear correlation coefficient is winners. Award Winners B. 12- 30 ● 37.8 0.1 Internet Users 90 Ⓡ the significance level, there O C. Award Winners 12- 0- 30 · ● Internet Users 90 O D. Award Winners 12 ttto 30 ▬ L Internet Users 90 sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award
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