1. What is the Pearson r correlation coefficient? (answer in 4 decimal places) 2. Which of the following is an appropriate conclusion for these samples? (input the letter of your answer)
1. What is the Pearson r correlation coefficient? (answer in 4 decimal places) 2. Which of the following is an appropriate conclusion for these samples? (input the letter of your answer)
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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The following table shows the number of siblings and daily allowance of 12 students from a Grade 11 class:

Transcribed Image Text:mber of siblings and daily allowance of 12 students from a
3
100
2
250
3
180
3
200
4
1
300 180
3
250
2
400
2
200
2
200

Transcribed Image Text:The following table shows the number of
siblings and daily allowance of 12 students from
a Grade 11 class:
No. of siblings
Daily
Allowance
2
150
5
3
250 100 2!
1. What is the Pearson r correlation coefficient?
(answer in 4 decimal places)
2. Which of the following is an appropriate
conclusion for these samples? (input the letter of
your answer)
A. There is a high negative correlation between
the number of siblings and daily allowance.
B. There is a very high negative correlation
between the number of siblings and daily
allowance.
C. There is a negligible positive correlation
between the number of siblings and daily
allowance.
D. There is no correlation between the number of
siblings and daily allowance.
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