Question
A national survey asked people, How often do you eat out for dinner, instead of at home? The frequencies were as follows. Complete parts (a)
A national survey asked people, "How often do you eat out for dinner, instead of at home?" The frequencies were as follows. Complete parts (a) through
(g).
Response Frequency Never 307 Rarely 487 Sometimes 918 Most of the time 312 Always 88
Construct a relative frequency distribution of the data.
Response | Relative Frequency | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
|
|
(Round to three decimal places as needed.)(b) What percentage of respondents answered "Always"?
nothing%
(Round to one decimal place as needed.)(c) What percentage of respondents answered "Never" or "Rarely"?
nothing%
(Round to one decimal place as needed.)(d) Construct a frequency bar graph. Choose the correct answer below.
A.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Frequency" from 0 to 1000 in increments of 250. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 300; R, 475; S, 425; M, 300; A, 100.NRSMA02505007501000Frequency
B.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Frequency" from 0 to 1000 in increments of 250. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 300; R, 475; S, 925; M, 200; A, 400.NRSMA02505007501000Frequency
C.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Frequency" from 0 to 1000 in increments of 250. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 300; R, 475; S, 925; M, 300; A, 100.NRSMA02505007501000Frequency
(e) Construct a relative frequency bar graph. Choose the correct answer below.
A.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Relative Frequency" from 0 to 1 in increments of 0.1. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 0.14; R, 0.24; S, 0.44; M, 0.14; A, 0.04.NRSMA00.20.40.60.81RelativeFreq.
B.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Relative Frequency" from 0 to 1 in increments of 0.1. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 0.14; R, 0.24; S, 0.2; M, 0.14; A, 0.04.NRSMA00.20.40.60.81RelativeFreq.
C.
A bar graph has a horizontal axis labeled with the five letters "N," "R," "S," "M," and "A" and a vertical axis labeled "Relative Frequency" from 0 to 1 in increments of 0.1. Five vertical bars extend from the horizontal axis over each horizontal axis label. The approximate heights of the five vertical bars, from left to right, are as follows: N, 0.14; R, 0.24; S, 0.44; M, 0.1; A, 0.18.NRSMA00.20.40.60.81RelativeFreq.
(f) Construct a pie chart. Choose the correct answer below.
A.
A pie chart is divided into five labeled sectors. The labels of the sectors and the approximate percentage of the pie chart which the sector accounts for are as follows: "N," 20 percent; "R," 30 percent; "S," 26 percent; "M," 20 percent; "A," 6 percent.NRSMA
B.
A pie chart is divided into five labeled sectors. The labels of the sectors and the approximate percentage of the pie chart which the sector accounts for are as follows: "N," 12 percent; "R," 20 percent; "S," 38 percent; "M," 8 percent; "A," 16 percent.NRSMA
C.
A pie chart is divided into five labeled sectors. The labels of the sectors and the approximate percentage of the pie chart which the sector accounts for are as follows: "N," 22 percent; "R," 20 percent; "S," 30 percent; "M," 8 percent; "A," 16 percent.NRSMA
D.
A pie chart is divided into five labeled sectors. The labels of the sectors and the approximate percentage of the pie chart which the sector accounts for are as follows: "N," 14 percent; "R," 24 percent; "S," 44 percent; "M," 14 percent; "A," 4 percent.NRSMA
(g) Suppose a person claims that,
"4.2%
of all people in the nation always eat out." Is this a descriptive or inferentialstatement?
inferential
descriptive
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