(d) Compute the linear correlation coefficient between MRI count and IQ for females. Compute the linear correlation coefficient between MRI count and IQ for males. The linear correlation coefficient for females is 0.434. The linear correlation coefficient for males is 0.694 (Round to three decimal places as needed.) Are MRI count and IQ linearly related? Because the correlation coefficient for females is data set, coefficient, is (Round to three decimal places as needed.) and the absolute value of this correlation coefficient, is relation exists between MRI count and IQ for females. Because the correlation coefficient for males is relation exists between MRI count and IQ for males. than the critical value for the male data set, than the critical value for the female and the absolute value of this correlation

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 15PPS
icon
Related questions
Question

 

Are MRI count and IQ linearly​ related?
 
Because the correlation coefficient for females is negative/positive
and the absolute value of this correlation​ coefficient,
enter your response here​#, is greater/not greater than enter your response here#​,
the critical value for the female data​ set,no/a positive/a negative
relation exists between MRI count and IQ for females. Because the correlation coefficient for males is negative/positive and the absolute value of this correlation​ coefficient,
enter your response here#​, is greater/not greater than the critical value for the male data​ set,
enter your response here​#,no/a positive/a negative relation exists between MRI count and IQ for males.
​(Round to three decimal places as​ needed.)

 

 

 

Critical value table

3 0.997
4 0.950
5 0.878
6 0.811
 7 0.754
8 0.707
9 0.666
10 0.632
11 0.602
12 0.576
13 0.553
14 0.532
15 0.514
16 0.497
17 0.482
18 0.468
19 0.456
20 0.444
21 0.433
22 0.423
23 0.413
24 0.404
25 0.396
26 0.388
27 0.381
28 0.374
29 0.367
30 0.361
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.
Females
Because the correlation coefficient for females is
data set,
coefficient, , is
(Round to three decimal places as needed.)
IQ
MRI
833.868 132
790,619 135
991,305 138
852,244 132
856,472 140
Males
MRI IQ
1,079,550 141
924,059 135
1,038,438 139
949.395 140
1,001,121 140
and the absolute value of this correlation coefficient. . is
relation exists between MRI count and IQ for females. Because the correlation coefficient for males is
than the critical value for the male data set,
(d) Compute the linear correlation coefficient between MRI count and IQ for females. Compute the linear correlation coefficient between MRI count and IQ for males.
The linear correlation coefficient for females is 0.434.
The linear correlation coefficient for males is 0.694
(Round to three decimal places as needed.)
Are MRI count and IQ linearly related?
WIRE
than the critical value for the female
and the absolute value of this correlation
relation exists between MRI count and IQ for males.
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. Females Because the correlation coefficient for females is data set, coefficient, , is (Round to three decimal places as needed.) IQ MRI 833.868 132 790,619 135 991,305 138 852,244 132 856,472 140 Males MRI IQ 1,079,550 141 924,059 135 1,038,438 139 949.395 140 1,001,121 140 and the absolute value of this correlation coefficient. . is relation exists between MRI count and IQ for females. Because the correlation coefficient for males is than the critical value for the male data set, (d) Compute the linear correlation coefficient between MRI count and IQ for females. Compute the linear correlation coefficient between MRI count and IQ for males. The linear correlation coefficient for females is 0.434. The linear correlation coefficient for males is 0.694 (Round to three decimal places as needed.) Are MRI count and IQ linearly related? WIRE than the critical value for the female and the absolute value of this correlation relation exists between MRI count and IQ for males.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL