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Construct two boxplots side by side for the following data. Show the five-number

ID: 3268640 • Letter: C

Question

Construct two boxplots side by side for the following data. Show the five-number summary.

                                        Home Sales

Listing Price (thousands)                    Selling Price (thousands)

160                                                      142

160                                                      175

132                                                      129

140                                                      138

240                                                      232

140                                                      135

160                                                      150

225                                                      207

285                                                      271

90                                                        89

157                                                      153

90                                                        86.5

238                                                      234

116                                                      105.5

180                                                      175

170                                                      165

Explanation / Answer

Using MINITAB

Go to Graph Choose Boxplot option

then choose data sets

click ok

we get following graph

Five number summary

Calculated by using MINITAB

go the Stat>>Basic Statistics>>Descriptive Statistics

Enter the data cell choose Minimum, First Quartile, Median, Third Quartile and Maximum

we get following answers

                                   Listing Price                       Selling Price

Minimum    90    86.5

First Quartile (Q1)    134.0 130.5                        

Median    (Q2)                 160                                                            151.5

Third Quartile (Q3)           213.8                                                          199

Maximum                       285                                                             271

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