Question

34 49 34 36 44 54 44 50 46 43 34 43 31

45 39 34 47 44 25 38 54 53 47 37 40

1. How many classes would you recommend?
2. What class interval would you suggest? (Round up your answer to the next whole number.)

Two thousand frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. One hundred and eight liked Indianapolis best, 432 liked Saint Louis, 1258 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. (Round the Relative Frequency to 3 decimal places.)

   City Frequency Relative frequency

Indianapolis

St. Louis

Chicago

Milwaukee

Answer 1

Problem 1:

Maximum value=54, minimum value=25, range=54-24=29

Take no. of classes=5

Width of class interval=29/5=5.8 approximately 6.

Problem 2