# Question: A large Midwestern city has been chronically plagued by false

A large Midwestern city has been chronically plagued by false fire alarms. The following data set gives the number of false alarms set off each week for a 24-week period in this city.

a. Construct a frequency distribution table. Take 1 as the lower limit of the first class and 3 as the width of each class.

b. Calculate the relative frequencies and percentages for all classes.

c. What percentage of these weeks had 9 or fewer false alarms?

d. Draw the frequency histogram and polygon.

a. Construct a frequency distribution table. Take 1 as the lower limit of the first class and 3 as the width of each class.

b. Calculate the relative frequencies and percentages for all classes.

c. What percentage of these weeks had 9 or fewer false alarms?

d. Draw the frequency histogram and polygon.

## Answer to relevant Questions

Refer to the frequency distribution prepared in Problem 5. Prepare the cumulative percentage distribution using that table. Draw an ogive for the cumulative percentage distribution. The following data set belongs to a sample: Calculate the mean, median, and mode. Refer to Exercise 3.22. The following data represent the number of Grand Jury indictments for Gloucester County, New Jersey, for a sample of 11 weeks selected from July 2010 through June 2011 as reproduced from that ...The following table gives the distribution of the amounts of rainfall (in inches) for July 2012 for 50 cities. Rainfall Number of Cities 0 to less than 2.......... 6 2 to less than 4.......... 10 4 to less ...A student washes her clothes at a Laundromat once a week. The data below give the time (in minutes) she spent in the Laundromat for each of 15 randomly selected weeks. Here, time spent in the Laundromat includes the time ...Post your question