data Shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. Xy 12 60 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 13 70 11 90 13 50 14 60 10 80 15 20 10 100

data Shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. Xy 12 60 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 13 70 11 90 13 50 14 60 10 80 15 20 10 100

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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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

100%

Please answer part b)

The answer I was given of 0.88 is incorrect. Thanks!

14.1.2
Questic
The data shown to the right for the dependent variable, y, and the independent
variable, x, have been collected using simple random sampling.
X y
12
60
13
70
a. Construct a scatter plot for these data. Based on the scatter plot, how would
you describe the relationship between the two variables?
b. Compute the correlation coefficient.
11
90
13
50
14
60
10
80
15
20
10
100
a. Which graph below shows a scatter plot tor these data?
OA.
OB.
無:
Ay
15-
Ay
120-
15-
Ay
120-
10+
ピ
15
10++
120
120
10
15
10
There appears to be a negative linear relationship between x and y.
b. What is the correlation coefficient?
r= 0.88 (Round to two decimal places as needed.)

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