a descriptive worksheet
ANS: B PTS: 1 TOP: Descriptive Statistics
73. In Excel, a worksheet that displays the formulas used to create the results is a
a.
results worksheet
b.
formula worksheet
c.
value worksheet
d.
sample worksheet
ANS: B PTS: 1 TOP: Descriptive Statistics
NARRBEGIN: Exhibit 1-1
Exhibit 1-1
In a recent study based upon an inspection of 200 homes in Daisy City, 80 were found to violate one or more city codes.
NARREND
74. Refer to Exhibit 1-1. The city manager released a statement that 40% of Daisy City's 2,000 homes are in violation of city codes. The manager's statement is an example of
a.
a census
b.
an experiment
c.
descriptive statistics
d.
statistical inference
ANS: D PTS: 1 TOP: Descriptive Statistics
75. Refer to Exhibit 1-1. The Daisy City study described above is an example of the use of a
a.
census
b.
sample
c.
probability
d.
population
ANS: B PTS: 1 TOP: Descriptive Statistics
76. Refer to Exhibit 1-1. The manager's statement that 40% of Daisy City's 2,000 homes are in violation of city codes is
a.
an exactly correct statement
b.
only an approximation, since it is based upon sample information
c.
obviously wrong, since it is based upon a study of only 200 homes
d.
None of these alternatives is correct.
ANS: B PTS: 1 TOP: Descriptive Statistics
NARRBEGIN: Exhibit 1-2
Exhibit 1-2
In a sample of 1,600 registered voters, 912, or 57%, approve of the way the President is doing his job.
NARREND
77. Refer to Exhibit 1-2. The 57% approval is an example of
a.
a sample
b.
descriptive statistics
c.
statistical inference
d.
a population
ANS: B PTS: 1 TOP: Descriptive Statistics
78. Refer to Exhibit 1-2. A political pollster states: "Fifty-seven percent of all voters approve of the President." This statement is an example of
a.
a sample
b.
descriptive statistics
c.
statistical inference
d.
a population
ANS: C PTS: 1 TOP: Descriptive Statistics