a) Are the data normal? Run Descriptive statistics in Excel and support your answer. b) Show the results of the correlation in Excel and explain what the results MAY mean. c) Is there absolutely a relationship between this data? Why, why not? d) Plot the data on a scatter chart? Does the chart suggest a relationship of the data? e) Might an outlier have an effect on this data? f) If there were an outlier, which data point might be the outlier? If you were to remove the outlier how would the correlation and the scatter chart be different?
a) Are the data normal? Run Descriptive statistics in Excel and support your answer. b) Show the results of the correlation in Excel and explain what the results MAY mean. c) Is there absolutely a relationship between this data? Why, why not? d) Plot the data on a scatter chart? Does the chart suggest a relationship of the data? e) Might an outlier have an effect on this data? f) If there were an outlier, which data point might be the outlier? If you were to remove the outlier how would the correlation and the scatter chart be different?
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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Transcribed Image Text:a) Are the data normal? Run Descriptive statistics in Excel and support
your answer.
b) Show the results of the correlation in Excel and explain what the results
MAY mean.
c) Is there absolutely a relationship between this data? Why, why not?
d) Plot the data on a scatter chart? Does the chart suggest a relationship of
the data?
e) Might an outlier have an effect on this data?
f)
If there were an outlier, which data point might be the outlier? If you
were to remove the outlier how would the correlation and the scatter chart
be different?
Transcribed Image Text:3)
Use the following data and run a correlation in Excel.
Population Expenditure
29
435
86
1090
219
503
47
3524
185
98
952
89
127
214
133
208
153
184
130
217
141
154
194
103
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