1.
Identify the type of variable as categorical or quantitative in all 4 situations
below.
Favorite soft drink of college students; Speed of a moving car at specified
moments in time;
The model of cars in the student parking lots; The height of
your classmates
a.
Categorical; categorical; quantitative; quantitative
b.
Categorical; quantitative; quantitative; categorical
c.
Quantitative; categorical; quantitative; categorical
d.
Categorical; quantitative; categorical; quantitative
QUESTIONS 2-4:
Data on the amount of time (rounded to the nearest second) that 31
randomly selected customers spent in line before being served at a branch of a local bank are
displayed in the following histogram.
2.
What word best describes the shape of the histogram for the length of time spent in line.
3.
Approximately what percentage of the customers spent less than 200 seconds in line?
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4.
Based on this histogram, what is the maximum length of time spent in line by one
individual customer?
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- Spring '08
- Staff
- Normal Distribution, Standard Deviation, d., Plant A
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