Question
Upload US crime data and compare the murder counts for the states of Alabama, California and Nevada. Your job is to identify which of the
Upload US crime data and compare the murder counts for the states of Alabama, California and Nevada. Your job is to identify which of the two states is most correlated to California.
Make a scattered plot chart with X representing California and Y representing that state in question, plot the line, and compute the R-squared.
DATA: https://www.limes.one/Content/DataFiles/US_CRime.txt
Answer the questions:
I) What is the approximate slope and the R-squared on your chart?
a. 1.2 and 0.502
b. 986 and 0.502
c. 12.2 and 0.502
d. 12.12 and 986
e. None of the above
II) What is the approximate Y-intercept and what is its statistical interpretation?
a. 12.2, When X is at zero Y will be 12.02
b. 986, When there are zero murders in Nevada, we expect 986 murders in California
c. 986, When there are zero murders in California, we expect 986 murders in Nevada
d. 12.02, For each crime in California we expect 12.02 crimes in Nevada
e. None of the above
III) What does each dot represent?
a. A crime
b. A state
c. A year
d. None of the above
IV) The highest dot on your chart has (approximately) the following Y-coordinate:
a. 220
b. 4096
c. 986
d. 577
e. None of the above
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