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241.The point estimate of the
sample _______________ is the positive square root of the sample
variance.
________________________________________
242.The ____________________ is a
quantity that measures the variation of a population or sample relative
to its mean.
________________________________________
243.A(n) ___________ is a
graphical display of categorical data made up of vertical or horizontal bars.
________________________________________
244.What percent of a normal
population is within 2 standard deviations of the mean?
245.Twenty students were randomly
selected from a business statistics course and were asked to report the
number of times that they had
eaten a meal at the university's cafeteria within the past month. Below
are the values reported: 7, 8,
10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12. What is the 90th
percentile?
246.Compute the mean of the data
32,33,22,28,24,23,27,24,27,21.
247.Compute the median of the
data 32,33,22,28,24,23,27,24,27,21.
248.Compute the mode of the data
32,33,22,28,24,23,27,24,27,21.
249.Compute the range of the
data: 16,18,23,21,17,16,24,23,9,17,11,16,13,10,15,14.
250.Compute the population variance of the data:
16,18,23,21,17,16,24,23,9,17,11,16,22,10,15,14.
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