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. The data is reported to the right. Complete parts (a) through (d) below. Click the icon to view the critical values table. AMRI 1,080,000 780,000 130 10 145 (a) Draw a scatter diagram treating MRI count as the explanatory variable and IQ as the response variable. Choose the correct diagram below. OA. Q 5 OB. AMRI 1,080.000- 780,000 130 10 145 SELLE Q SCIEN O C. 145 AIQ 130 780,000 Females MRI IQ 866,662 130 857,782 133 852,244 132 951,545 137 790,619 135 MRI 1,080,000 Males Q Q IQ MRI 935,494 141 1,079,550 141 1,001,121 140 955,466 133 1,038,438 139 145 AIQ 130- 780,000 0 MRI 1,080,000 Q 5 (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 B. No, MRI count and IQ are not linearly related since the linear correlation coefficient is
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. The data is reported to the right. Complete parts (a) through (d) below. Click the icon to view the critical values table. AMRI 1,080,000 780,000 130 10 145 (a) Draw a scatter diagram treating MRI count as the explanatory variable and IQ as the response variable. Choose the correct diagram below. OA. Q 5 OB. AMRI 1,080.000- 780,000 130 10 145 SELLE Q SCIEN O C. 145 AIQ 130 780,000 Females MRI IQ 866,662 130 857,782 133 852,244 132 951,545 137 790,619 135 MRI 1,080,000 Males Q Q IQ MRI 935,494 141 1,079,550 141 1,001,121 140 955,466 133 1,038,438 139 145 AIQ 130- 780,000 0 MRI 1,080,000 Q 5 (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 B. No, MRI count and IQ are not linearly related since the linear correlation coefficient is
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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Question
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. The data is reported to the right. Complete parts (a)
through (d) below.
Click the icon to view the critical values table.
1,080,000-
780,000
MRI
130
145
(a) Draw a scatter diagram treating MRI count as the explanatory variable and IQ as the response variable. Choose the correct diagram
below.
OA.
Q
Q
OB.
AMRI
1,080,000-
780,000
130
IQ
145
COLO
Q
Q
SCIER
O C.
AIQ
145+
130
780,000
Females
MRI
IQ
866,662
130
857,782 133
MRI
IQ
935,494 141
1,079,550 141
852,244 132 1,001,121 140
951,545 137 955,466 133
790,619 135 1,038,438 139
MRI
Males
1,080,000
C
D.
145
AIQ
130-
780,000
MRI
1,080,000
Q
(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.)
OA. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is
B. No, MRI count and IQ are not linearly related since the linear correlation coefficient is
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