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TABLE 16-10
Business closures in Laramie, Wyoming from 2007 to 2012 were:
Microsoft Excel was used to fit both first-order and second-order autoregressive
models, resulting in the following partial outputs:
SUMMARY OUTPUT - 2nd Order Model
SUMMARY OUTPUT - 1st Order Model
Referring to Table 16-10, the value of the MAD for the first-order autoregressive model
is ________.
You were told that the 1st, 2nd and 3rd quartiles of female students' weight at a major
university are 95 lbs, 125 lbs, and 138 lbs. What percentage of the students weigh less
than 95 lbs?
TABLE 3-1
Health care issues are receiving much attention in both academic and political arenas. A
sociologist recently conducted a survey of citizens over 60 years of age whose net
worth is too high to qualify for Medicaid. The ages of 25 senior citizens were as
follows:
Referring to Table 3-1, calculate the arithmetic mean age of the senior citizens to the
nearest hundredth of a year.
TABLE 12-20
A filling machine at a local soft drinks company is calibrated to fill the cans at a mean
amount of 12 fluid ounces and a standard deviation of 0.5 ounces. The company wants
to test whether the standard deviation of the amount filled by the machine is 0.5 ounces.
A random sample of 15 cans filled by the machine reveals a standard deviation of 0.67
ounces.
Referring to Table 12-20, what is the value of the test statistic?
TABLE 16-10
Business closures in Laramie, Wyoming from 2007 to 2012 were:
Microsoft Excel was used to fit both first-order and second-order autoregressive
models, resulting in the following partial outputs:
SUMMARY OUTPUT - 2nd Order Model
SUMMARY OUTPUT - 1st Order Model
Referring to Table 16-10, the residuals for the first-order autoregressive model are
________, ________, ________, ________, and ________.
A study at a college in the west coast reveals that, historically, 45% of the students are
minority students. If random sample sizes of 75 are selected, 80% of the samples will
have less than ________% of minority students.
