Question

# The following frequency distribution shows the number of passengers who flew on a small regional aircraft...

The following frequency distribution shows the number of passengers who flew on a small regional aircraft company’s flight number 1853 for the past 50 days.

 Number of passengers on Flight 1853 Frequency (days) Relative Frequency Cumulative Relative Frequency 50 to 59 5 60 to 69 13 70 to 79 17 80 to 89 7 90 to 99 6 100 to 109 2

Use this data to construct a relative frequency and cumulative relative frequencydistribution. Report all of your answers in the table above to 2 decimal places, using conventional rounding rules.

What percent of the days are there less than 90 passengers on Flight 1853? Report your final answer to 2 decimal places, using conventional rounding rules.

What proportion of the days are there 60 – 69 passengers on Flight 1853? Report your final answer to 2 decimal places, using conventional rounding rules.

What percent of the days are there no more than 79 passengers on Flight 1853? Report your final answer to 2 decimal places, using conventional rounding rules.

What is the approximate mean number of passengers on Flight 1853? Report your final answer to 2 decimal places, using conventional rounding rules.

What is the approximate variance of the number passengers on Flight 1853? Report your final answer to 2 decimal places, using conventional rounding rules.

What is the midpoint of the class interval with the largest frequency? Report your final answer to 2 decimal places, using conventional rounding rules.