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Answer on Statistics and Probability Question for ed

Question #17418
Each of the following pairs represents the number of greeting cards sent and received by a group of friend:
Greeting cards sent Greeting cards received
13 6
9 10
7 14
5 12
1 18

(a) Construct a scatter plot.
(b) Determine the least square (i.e., regression) equation for these data
(c) Determine the standard error of the estimate
(d) If you send 20 greeting cards. How many greeting cards you expect to receive?

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