1. Suppose the following table gives the selling prices in tens of thousands of dollars for 20 different homes sold during a month. 60.5 113.5 79.0 475.5 75.0 70.0 125.5 150.0 100.0 125.5 90.0 175.5 89.0 130.0 111.5 100.0 50.0 340.5 100.0 525.0 a) Find the mode, median and mean of the selling prices of the first two columns b) Find the range, variance and standard deviation of the selling prices of the first two columns c) Find the ninety-fifth percentile, the seventh decile, and the first quartile of the selling prices of homes by taking into consideration the whole table of values. d) Find the percentiles for the selling prices 75.0, 90, 125.5 and 340.5 by taking into consideration the whole table of values. e) Construct a boxplot of the selling prices in the table above by following the instructions below: - First, find the minimum, maximum, first quartile, median and third quartile of the data - Second, draw roughly the boxplot showing the location of each value found in the first given instruction above. - Tell from the boxplot drawn above if the data is symmetric, left skewed or right skewed.
1. Suppose the following table gives the selling prices in tens of thousands of dollars for 20 different homes sold during a month. 60.5 113.5 79.0 475.5 75.0 70.0 125.5 150.0 100.0 125.5 90.0 175.5 89.0 130.0 111.5 100.0 50.0 340.5 100.0 525.0 a) Find the mode, median and mean of the selling prices of the first two columns b) Find the range, variance and standard deviation of the selling prices of the first two columns c) Find the ninety-fifth percentile, the seventh decile, and the first quartile of the selling prices of homes by taking into consideration the whole table of values. d) Find the percentiles for the selling prices 75.0, 90, 125.5 and 340.5 by taking into consideration the whole table of values. e) Construct a boxplot of the selling prices in the table above by following the instructions below: - First, find the minimum, maximum, first quartile, median and third quartile of the data - Second, draw roughly the boxplot showing the location of each value found in the first given instruction above. - Tell from the boxplot drawn above if the data is symmetric, left skewed or right skewed.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
1. Suppose the following table gives the selling prices in tens of thousands of dollars
for 20 different homes sold during a month.
60.5 113.5 79.0 475.5
75.0 70.0 125.5 150.0
100.0 125.5 90.0 175.5
89.0 130.0 111.5 100.0
50.0 340.5 100.0 525.0
a) Find the mode, median and mean of the selling prices of the first two columns
b) Find the range, variance and standard deviation of the selling prices of the first
two columns
c) Find the ninety-fifth percentile, the seventh decile, and the first quartile of the
selling prices of homes by taking into consideration the whole table of values.
d) Find the percentiles for the selling prices 75.0, 90, 125.5 and 340.5 by taking
into consideration the whole table of values.
e) Construct a boxplot of the selling prices in the table above by following the
instructions below:
- First, find the minimum, maximum, first quartile, median and third quartile of
the data
- Second, draw roughly the boxplot showing the location of each value found in
the first given instruction above.
- Tell from the boxplot drawn above if the data is symmetric, left skewed or
right skewed.
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