Many people travel to the south rim of the Grand Canyon on vacation each year. The National Parks Service keeps records of the number of vehicles entering the park. According to their website, the following table lists the total vehicles that entered the park each month from the beginning of April to the end of September in 2015. Use the table to answer the questions below. a. Add a "Relative Frequency" column to the table and determine all of the entries in that column. Round your entries to the nearest thousandth. b. Add a "Cumulative Frequency" column to the table and determine all of the entries in that column. 2015 Month # of Vehicles April 127,355 May 140,226 June 135,000 July 145,000 August 175,000 September 128,850 c. Add a "Relative Cumulative Frequency" column to the table and determine all of the entries in that column. Round your entries to the nearest thousandth. d. What was the average monthly number of vehicles entering the Grand Canyon south rim over this 6-month period? Round up to the nearest whole number. e. What was the median number of vehicles? f. Use your completed chart. What percent of the total number of vehicles over the 6-month period entered in July? g. Use your chart. Approximately what percent of all vehicles entering the park did so in April, May, and June combined? Where would you find this information in your chart?

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c. Interpret the relative frequency for the $70-79.99 interval in terms of
a percent.
4. Many people travel to the south rim of the Grand Canyon
on vacation each year. The National Parks Service keeps
records of the number of vehicles entering the park.
According to their website, the following table lists the
total vehicles that entered the park each month from the
beginning of April to the end of September in 2015.
Use the table to answer the questions below.
a. Add a “Relative Frequency" column to the table and
determine all of the entries in that column. Round your
entries to the nearest thousandth.
b. Add a "Cumulative Frequency" column to the table and determine all of
the entries in that column.
2015 Month
# of Vehicles
April
127,355
Мay
140,226
June
135,000
145,000
July
August
175,000
September
128,850
c. Add a "Relative Cumulative Frequency" column to the table and determine
all of the entries in that column. Round your entries to the nearest
thousandth.
d. What was the average monthly number of vehicles entering the Grand
Canyon south rim over this 6-month period? Round up to the nearest
whole number.
e. What was the median number of vehicles?
f. Use your completed chart. What percent of the total number of vehicles
over the 6-month period entered in July?
g. Use your chart. Approximately what percent of all vehicles entering the
park did so in April, May, and June combined? Where would you find this
information in your chart?
Transcribed Image Text:c. Interpret the relative frequency for the $70-79.99 interval in terms of a percent. 4. Many people travel to the south rim of the Grand Canyon on vacation each year. The National Parks Service keeps records of the number of vehicles entering the park. According to their website, the following table lists the total vehicles that entered the park each month from the beginning of April to the end of September in 2015. Use the table to answer the questions below. a. Add a “Relative Frequency" column to the table and determine all of the entries in that column. Round your entries to the nearest thousandth. b. Add a "Cumulative Frequency" column to the table and determine all of the entries in that column. 2015 Month # of Vehicles April 127,355 Мay 140,226 June 135,000 145,000 July August 175,000 September 128,850 c. Add a "Relative Cumulative Frequency" column to the table and determine all of the entries in that column. Round your entries to the nearest thousandth. d. What was the average monthly number of vehicles entering the Grand Canyon south rim over this 6-month period? Round up to the nearest whole number. e. What was the median number of vehicles? f. Use your completed chart. What percent of the total number of vehicles over the 6-month period entered in July? g. Use your chart. Approximately what percent of all vehicles entering the park did so in April, May, and June combined? Where would you find this information in your chart?
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