Author Question: A breeder of Thoroughbred horses wishes to model the relationship between the gestation period and ... (Read 95 times)

RRMR · **on:** Feb 14, 2020

Question 1

Is the number of games won by a major league baseball team in a season related to the team's batting average? Data from 14 teams were collected and the summary statistics yield:

1,134,

= 3.642,

= 93,110,

= .948622, and

= 295.54

Assume

1 = 455.27 and

= 9.18. Conduct a test of hypothesis to determine if a positive linear relationship exists between team batting average and number of wins. Use α = .05.

Question 2

A breeder of Thoroughbred horses wishes to model the relationship between the gestation period and the length of life of a horse. The breeder believes that the two variables may follow a linear trend. The information in the table was supplied to the breeder from various thoroughbred stables across the state.

Summary statistics yield SS_xx = 21,752, SS_xy = 236.5, SS_yy = 22,

and

Test to determine if a linear relationship exists between the gestation period and the length of life of a horse. Use

5 and use

as an estimate of σ.

matt · **Reply #1 on:** Feb 14, 2020

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