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 : 14.13139 DE 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: cor 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: rho 0.3418892
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 : 14.13139 DE 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: cor 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: rho 0.3418892
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
Related questions
Question
31
Transcribed Image Text:31. Which of the following is(are) TRUE about the test of significance on
the correlation coefficient at 3% level of significance?
A. There is no sufficient evidence to say that radial cell length and body mass are
associated.
B. There is sufficient evidence to say that radial cell length and body mass are
associated.
C. There is no sufficient evidence to say that radial cell length is linearly dependent on
body mass.
D. There is sufficient evidence to say that radial cell length is linearly dependent on
body mass.
OL. All of the above
W. None of the above
Transcribed Image Text: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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