Reference no: EM131111460
Is the number of games won by a major league baseball team in a season related to the team's batting average? The information in the table, extracted from Sports Illustrated and Sporting News, shows the number of games won and the batting average for the 14 teams in the American League for the 1998 season.
a. If you were to model the relationship between the mean (or expected) number of games won by a major league team and the team's batting average, x, using a straight line, would you expect the slope of the line to be positive or negative? Explain.
b. Construct a scattergram of the data. Does the pattern revealed by the scattergram agree with your-answer in part a?
c. An SPSS printout of the simple linear regression is provided below. Find the estimates of the>% on the printout and write the equation of the least squares line.
d. Graph the least squares line on the scattergram. Does the least squares line seem to fit the poi& on the scattergram?
e. Does the mean (or expected) number of games won appear to be strongly related to a team's batting average? Explain.
f. Interpret the values of 
and 
in the words of the problem
|
Which alternative should you take
: Assume that you just won the state lottery. Your prize can be taken either in the form of $40,000 at the end of each of the next 25 years (that is, $1,000,000 over 25 years) or as a single amount of $500,000 paid immediately. If you expect to be able..
|
|
Similarity in fields and headers
: IPv6 and IPv4 have a similarity in their fields and headers. The IPv6 header the traffic field has a similarity to which field in the IPv4 header?
|
|
A straight-line model relating an nfl team
: Refer to the Forbes magazine (Jan. 11,1999) report on the financial standings of each team in the National Football League (NFL), Exercise 2.113 (p. 113). The table listing the current value (without deduction for debt, except stadium debt) and o..
|
|
Write a review on literature on the impact of assessment and
: Write a review on Literature on the Impact of Assessment and Measurement on Education: The No Child Left Behind Act and the use of Measurement in its Assessment, the Benefits or Harm.
|
|
Games won by a major league baseball team
: Is the number of games won by a major league baseball team in a season related to the team's batting average? The information in the table, extracted from Sports Illustrated and Sporting News, shows the number of games won and the batting aver..
|
|
Act based competition
: What conditions suggested that the 1996 Act might reasonably introduce competition into the local exchange?
|
|
Would strictly following wilsons have created the stability
: Taking everything into consideration would strictly following Wilson's 14 Points have created the stability that was necessary to bring a successful end to the war?
|
|
How much will you need today as a single amount
: How large a fund will you need when you retire in 20 years to provide the 30-year, $20,000 retirement annuity? How much will you need today as a single amount to provide the fund calculated in part a if you earn only 9% per year during the 20 years p..
|
|
Discuss the purpose of the management tool
: Bow-Tie Analysis is one of many efffective tools for communicating risk assessment. Discuss the bow-tie method and then provide another specific example of an effective tool that hospitals use for risk assessment. Which one would you implement in..
|