Math Chapter 7 Exam

  

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Test Chapter
7
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MULTIPLE CHOICE. Choose the one altemative that best completes the statement or answers the question.
Find the mean, median, rnode, and midrange for the given data. Round to the nearest tenth if necessary.
1) 1,0, 8,7, 4, 73, 10, 10, 8, 4, 13, 10,7, 1.4, 4, 10,70,7, 8, 4, 10
A) mean = 8.6, median = 8, mode = 10, oiqtange f
rO
B) mean = 9.1, median = 8, mode = 1+
^iaryd=
C) mean = 8.6, median = 9, mode = 10, midrrfl&e = 10
f
D) mean = 8.6, median = 9, mode = 10,
1)
^l(rungL
2)
13, 9, 5,’].,41, 1’I.,, 9, 9, 5, 7, 11, 9
9,
mode
mean =9.7,median =
=’l.4,midnge79
mean =9.Z,med,ian = 9, mode 14, midrag/= 9.5
mean – 9.z,median = 9, mod.e = 9, midrarldf = 9.5
mean =9.Z,median = 9, mode = 9, midr{Zd–S
9, 7, 5, 1’t, 13, 9, 9, 7,
A)
B)
C)
D)
1′]-.,
2)

3′ 23.6, 2’1..2, 19.4, 24.4, 26.9, 23.6, 23.6′ 2’l’.2′ 24.4′ 26.9′
23.6, 19.4, 28.8, 24.4, 23.6, 23.6, 19.4, 21.2, 24.4, 23.6
A) mean =23.4, median –24.4, mode –23.6, midpge -?r.1
B) mean = 23.4,median = 23.6,mode = 23.6, midralgy’Z+.t
C) mean : 23.9, median : 23.6, mode = 28.8, midrag{ = 9.4
D) mean =23.4, median =23.6, mode =23.6,midry’nW 9.4
4) 88, 86, 74, 73, 93, B& 8& 86, 73, 93, 88, 74, 94, 73, 88, 88, 74, 86, 73, 88
A) mean = 83.4, median 86, mode = 8& midr[nge 783.5
87,mod.e – 8& midrggd– 83.5
B) mean = B3.4,median
C) mean — 83.4, median 87, mode = 88, midryrfie – 21
D) mean =83.9,median =85,mode =94,mi#ang: Z1
3)
4)

Find the mean.
5) A distribution company’s fleet of trucks get 1t 9,20,9,15,9, and 24 miles per gallon. tVhat is the
mean miles per gallon for the fleet? Round your answer to the nearest whole number.
B) 13 miles per gallon
A) 14 miles per gallon
D) t7 miles per gallon
C) 15 miles per ga[on
6) Ten students in Mrs. Smith’s math class took a state sponsored aptitude test. Their math scores
were reported to Mrs. Smith: 645,569,355,359,502,347,360,59’l’,482, and470. Find the mean
score. Round your answer to one decimal place if necessary.
D) 458.8
c) 4n.5
B) 468.0
A) 476.0
5)
5)
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