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=0.01. Internet Users Award Winners 81.1 5.3 Internet Users 79.6 56.5 9.2 3.2 Construct a scatterplot. Choose the correct graph below. O A. Q 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.) 68.3 77.4 38.1 1.8 10.5 0.1 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 O B. 30 Internet Users the significance level, there O C. Internet Users Q O D. fff 30 Internet Users Q G sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award winners.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 a = 0.01.
Internet Users 81.1
Award Winners 5.3
12-
Construct a scatterplot. Choose the correct graph below.
O A.
1
▬▬
+3
30
Internet Users
90
▼
Q
79.6
9.2
✔
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.)
56.5 68.3
3.2 1.8
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
77.4 38.1 D
10.5 0.1
O B.
Award Winners
12-
0-
30
Internet Users
90
Q
Q
the significance level, there
(…)
O C.
12
30
Internet Users
90
Q
O D.
12-
0-
30
Internet Users
90
Q
Q
sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award winners.
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 a = 0.01. Internet Users 81.1 Award Winners 5.3 12- Construct a scatterplot. Choose the correct graph below. O A. 1 ▬▬ +3 30 Internet Users 90 ▼ Q 79.6 9.2 ✔ 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.) 56.5 68.3 3.2 1.8 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 77.4 38.1 D 10.5 0.1 O B. Award Winners 12- 0- 30 Internet Users 90 Q Q the significance level, there (…) O C. 12 30 Internet Users 90 Q O D. 12- 0- 30 Internet Users 90 Q Q sufficient evidence to support the claim that there is a linear correlation between Internet users and scientific award winners.
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