http://www.ck12.org Chapter 7. Organizing and Displaying Data
represents the number of family packages sold during the opening month:24 21 31 28 29
27 22 27 30 32
26 35 24 22 34
30 28 24 32 27
32 28 27 32 23
20 32 28 32 34Construct a box-and-whisker plot for the data. Are the data symmetric or skewed?- Shown below is the number of new stage shows that appeared in Las Vegas for each of the past several years.
Construct a box-and-whisker plot for the data and comment of the shape of the distribution.
31 29 34 30 38 40 36 38 32 39 35- The following data represent the average snowfall (in centimeters) for 18 Canadian cities for the month of
January. Construct a box-and-whisker plot to model the data. Is the data skewed? Justify your answer.
TABLE7.20:
Name of City Amount of Snow(cm)
Calgary 123.4
Charlottetown 74.5
Edmonton 80.6
Fredericton 73.8
Halifax 64.0
Labrador City 110.4
Moncton 82.4
Montreal 63.6
Ottawa 48.9
Quebec City 53.8
Regina 35.9
Saskatoon 25.4
St. John’s 97.5
Sydney 44.2
Toronto 21.8
Vancouver 12.8
Victoria 8.3
Winnipeg 76.2- Using the procedure outlined in this concept, check the following data sets for outliers:
a. 25, 33, 55, 32, 17, 19, 15, 18, 21
b. 149, 123, 126, 122, 129, 120