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Tennis magazine (Feb. 2000) claims that "tennis players who tie the knot often see their games unravel." The next table lists a sample of players and their rankings on their wedding days and on their first anniversaries.
a. Construct a scattergram for these data. Does it tend to support or refute the magazine's claim? Justify your answer.
b. Use the method of least squares to construct a model of the relationship between wedding day ranking (x)
and first anniversary ranking (y).
c. Does the linear model you developed in part b contribute information for predicting players' rankings
on their first anniversaries? Test at a = .05.
d. If there were no changes whatsoever in the rankings of the sample of players after getting married, what would the true values of ß0 and ß1 be?
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Wheel-Rite has agreed to ship the maximum number of wheel bearings that it produces each day to Itex when an order has been received.
1.my bootstrap distribution after 1000 resamples is shown in the histogram and summary statistics below.based on this
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