Answered: 30. Based on the R output, the most… | bartleby

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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Question

30

30. Based on the R output, the most appropriate coefficient to describe
the relationship between radial cell length and body mass is
with value equal to
A. Pearson's r, 0.3059
B. Pearson's r, 0.1896
C. Spearman's r, 0.3419
D. Spearman's r, 0.1401
OL. All of the above
W. None of the above

For numbers 30 and 31: A biologist is interested in studying if there exist an
association between the radial cell length (mm) and body mass (mg) of 20
randomly selected Nevada bumblebees. R outputs are shown below:
Doornik-Hansen test for Multivariate Normality
data: Dataset4
DE
14.13139
p-value
: 0.006887315
Result : Data are not multivariate normal (sig.level = 0.05)
Pearson's product-moment correlation
data: x and y
t = 1.3632, df - 18, p-value - 0.1896
alternative hypothesis: true correlation is not equal to 0
95 percent confidence interval:
-0.1580047 0.6591915
sample estimates:
0.3059051
Spearman's rank correlation rho
data: x and y
S = 875.29, p-value = 0.1401
alternative hypothesis: true rho is not equal to 0
sample estimates:
0.3418892

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