
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:(a) Look at the data below regarding the variables x =
age of a Shetland pony and y
weight of that pony. Is the value of Ir| large enough to conclude that weight and age
Shetland ponies are correlated? Use a =
0.05. (Use 3 decimal places.)
3
12
25
25
60
95
140
174
180
critical r
Conclusion
Reject the null hypothesis, there is sufficient evidence to show that age and weight of Shetland ponies are correlated.
Reject the null hypothesis, there is insufficient evidence to show that age and weight of Shetland ponies are correlated.
Fail to reject the null hypothesis, there is insufficient evidence to show that age and weight of Shetland ponies are correlated.
Fail to reject the null hypothesis, there is sufficient evidence to show that age and weight of Shetland ponies are correlated.
(b) Look at the data below regarding the variables x = lowest barometric pressure as a cyclone approaches and y = maximum wind speed of the cyclone. Is the value of Ir| lan
%3D
enough to conclude that lowest barometric pressure and wind speed of a cyclone are correlated? Use a
0.01. (Use 3 decimal places.)
1004
975
992
935
980
928
40
100
65
145
68
152
r
critical r
Conclusion
Reject the null hypothesis, there is sufficient evidence to show that lowest barometric pressure and maximum wind speed for cyclones are correlated.
Reject the null hypothesis, there is insufficient evidence to show that lowest barometric pressure and maximum wind speed for cyclones are correlated.
Fail to reject the null hypothesis, there is insufficient evidence to show that lowest barometric pressure and maximum wind speed for cyclones are correlated.
Fail to reject the null hypothesis, there is sufficient evidence to show that lowest barometric pressure and maximum wind speed for cyclones are correlated.
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