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2112175509
Measures of Central Tendency and Variability
Name __________
#1.
Find the
mean
of the sample.
\(-17, -6, 10\)
\(-3.146\)
\(-\frac{13}{3}\)
\(0\)
\(\frac{13}{3}\)
#2.
Find the
mean
of the sample.
\(20, 14\)
\(0\)
\(9\)
\(17\)
\(34\)
#3.
Find the
mean
of the sample.
\(0, 1, 3\)
\(-1.301\)
\(-\frac{4}{9}\)
\(0\)
\(\frac{4}{3}\)
#4.
Find the
mean
of the sample.
\(8, 12, 12, 15, 18, 19\)
\(9\)
\(14\)
\(23\)
\(\frac{5}{7}\)
#5.
Find the
median
of the sample.
\(\frac{1}{4}, 1, -1, \frac{1}{3}\)
\(-0.027\)
\(1\)
\(\frac{1}{5}\)
\(\frac{7}{24}\)
#6.
Find the
median
of the sample.
\(15, 18\)
\(14.54\)
\(31.04\)
\(\frac{10}{7}\)
\(\frac{33}{2}\)
#7.
Find the
median
of the sample.
\(1, 2, 2, 3, 4, 7, 18, 18\)
\(1.233\)
\(4.733\)
\(\frac{1}{2}\)
\(\frac{7}{2}\)
#8.
Find the
median
of the sample.
\(-15, 15\)
\(0\)
#9.
Find the
mode
of the sample.
\(-10, -10, -8, -7, -5, 4, 7, 9, 10\)
\(-10\)
\(-8\)
\(-7\)
\(none\)
#10.
Find the
mode
of the sample.
\(-7, 10, 0, -5, 7\)
\(0\)
\(7\)
\(10\)
\(none\)
#11.
Find the
mode
of the sample.
\(-7, 1, 2, 6\)
\(-7\)
\(1\)
\(2\)
\(none\)
#12.
Find the
mode
of the sample.
\(-1, \frac{-1}{2}, \frac{-1}{2}, 0, \frac{1}{3}, \frac{1}{2}, \frac{2}{3}, \frac{2}{3}\)
\(-0.5, 0.66666666666667\)
\(\frac{1}{2}\)
\(\frac{1}{3}\)
\(none\)
#13.
Find the
range
of the sample.
\(2, 2, 6, 3, 4, 6, 7, 3, 6\)
\(0\)
\(5\)
\(9\)
\(\frac{5}{3}\)
#14.
Find the
range
of the sample.
\(\frac{-3}{2}, \frac{3}{2}, -2\)
\(-0.238\)
\(0\)
\(\frac{2}{9}\)
\(\frac{7}{2}\)
#15.
Find the
range
of the sample.
\(3, -2, -5, -1, -10, -9, -6\)
\(-15\)
\(-\frac{4}{3}\)
\(13\)
\(\frac{5}{3}\)
#16.
Find the
range
of the sample.
\(\frac{1}{3}, \frac{1}{3}\)
\(0\)
1
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9
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12
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14
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16
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