Statistical Abstracts, (117th ed.), reports average travel time to work for commuters in the New England states to be (to the nearest minute):
18 21 17 25 18 21
?
What is the median of these commuting times? Round your answer to one decimal place, if necessary.
a. 18
b. 19.5
c. 17
d. 21
e. 0
b. 19.5
Mathematics
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Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 83, 78, 76, 72, 78, 64, 74. Find the mean, median, and mode.
A.
| mean: 76 | median: 72 | mode: 78 |
B.
| mean: 75 | median: 76 | mode: 78 |
C.
| mean: 76 | median: 75 | mode: 83 |
D.
| mean: 75 | median: 72 | mode: 83 |
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Classify the number as prime, composite, or neither.14
A. Prime B. Composite C. Neither
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Solve.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 12 years if 
and 
A. 2313 B. 20,878 C. 1894 D. 1157
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Perform the division.
A. p - 2 + 
B. p - 3
C. p + 3 + 
D. p - 3 + 
Mathematics