Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not linearly related since the linear correlation coefficient is (c) Draw a scatter diagram, but use a different plotting symbol for each gender. Choose the correct diagram below. O C. O D. O A. O B. AMRI 1,080,000- AIO 145- AMRI 1,080,000- AIO 145- 780,000 f 130 145 130 780,000 780.000 t 130 130 780,000 1,080,000 145 1,080,000 MRI MRI of
Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not linearly related since the linear correlation coefficient is (c) Draw a scatter diagram, but use a different plotting symbol for each gender. Choose the correct diagram below. O C. O D. O A. O B. AMRI 1,080,000- AIO 145- AMRI 1,080,000- AIO 145- 780,000 f 130 145 130 780,000 780.000 t 130 130 780,000 1,080,000 145 1,080,000 MRI MRI of
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
![Researchers wondered whether the size of a person's brain was related to the individual's mental capacity.
They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores.
Females
Males
MRI
IQ
MRI
IG
The data is reported to the right. Complete parts (a) through (d) below
139
858,472
140
955,003
935,494
924,059
1.079.550
1,001.121
Click the icon to view the critical values table.
991,305
138
141
857,782
833,868
790,619
133
135
132
141
135
140
AMRI
1,080,000-
AIO
145
AIO
145-
AMRI
1,080,000
780,000
130
130
780,000
130
780,000
780,000
130
1,080,000
145
1,080,000
MRI
145
MRI
(b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
(Round to three decimal places as needed.)
A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is
O B. No. MRI count and IQ are not linearly related since the linear correlation coefficient is
(c) Draw a scatter diagram, but use a different plotting symbol for each gender. Choose the correct diagram below.
O C.
O D.
O A.
O B.
AMRI
1,080,000-
AIO
145-
AMRI
1,080,000-
AIO
145-
780,000 f
130
145
130
780,000
780.000 t
130
130
780,000
1,080,000
145
1,080,000
MRI
MRI
of](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c460b13-af62-4204-a88a-76946bdbc7c2%2Fd2d87b9c-74e9-49d3-bdc3-3ad0ffd3479a%2Fr82w65t.png&w=3840&q=75)
Transcribed Image Text:Researchers wondered whether the size of a person's brain was related to the individual's mental capacity.
They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores.
Females
Males
MRI
IQ
MRI
IG
The data is reported to the right. Complete parts (a) through (d) below
139
858,472
140
955,003
935,494
924,059
1.079.550
1,001.121
Click the icon to view the critical values table.
991,305
138
141
857,782
833,868
790,619
133
135
132
141
135
140
AMRI
1,080,000-
AIO
145
AIO
145-
AMRI
1,080,000
780,000
130
130
780,000
130
780,000
780,000
130
1,080,000
145
1,080,000
MRI
145
MRI
(b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
(Round to three decimal places as needed.)
A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is
O B. No. MRI count and IQ are not linearly related since the linear correlation coefficient is
(c) Draw a scatter diagram, but use a different plotting symbol for each gender. Choose the correct diagram below.
O C.
O D.
O A.
O B.
AMRI
1,080,000-
AIO
145-
AMRI
1,080,000-
AIO
145-
780,000 f
130
145
130
780,000
780.000 t
130
130
780,000
1,080,000
145
1,080,000
MRI
MRI
of
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