30. What does correlation do? Select the correct word to complete each sentence.voll woled be (categorical/quantitative) (a) Correlation measures the strength of the relationship between two variables. a (b) Correlation measures strength (c) Correlation is appropriate for (d) Correlation foot to inghos 101 ahmure todmo sve ody i tad W (and/not) direction of the relationship. (linear/all) relationships. the same) when the u (increases/decreases/remains d (d) when the units are converted
30. What does correlation do? Select the correct word to complete each sentence.voll woled be (categorical/quantitative) (a) Correlation measures the strength of the relationship between two variables. a (b) Correlation measures strength (c) Correlation is appropriate for (d) Correlation foot to inghos 101 ahmure todmo sve ody i tad W (and/not) direction of the relationship. (linear/all) relationships. the same) when the u (increases/decreases/remains d (d) when the units are converted
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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Please help answer question 30 a,b,c,d
Transcribed Image Text:106
7.4 Topic 4: Correlation and Regression
smealiniteated T (b) Tou 080 Bae 00 om
30. What does correlation do? Select the correct word to complete each sentence.
(a) Correlation measures the strength of the relationship between two
variables.
(b) Correlation measures strength
(c) Correlation is appropriate for
(d) Correlation
from feet to inches.
Data 1 Mantel Width: 2.5, 2.1, 2.6, 3, 3.5, 4, 4.4
Mantel Length: 0.4, 1.5, 3.7, 3.6, 4.3, 4.5, 4.9
31. A detailed study of the veined squid (Loligo forbesii) by Emam et al. showed several interesting
linear relationships in body proportions. Consider the following related data sets.
4
-10
-15
Data 2 Mantel Width: 2.5, 2.1, 2.6, 3, 3.5, 4, 4.4
Fin Length: 2.3, 2.4, 3.2, 2.9, 3.8, 4.6, 4.3
(a) Find the correlation of each data set.
(b) Is mantel length or fin length better for predicting mantel width? Explain.
32. Match the correlation with the plot in Figure 7.8.10
(a) -0.3796 (b) 0.3705
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Figure 7.8: Matching Correlations
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