Question

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.

ANSWER:          %

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.

ANSWER:         

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.

ANSWER:          %

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

ANSWER:         

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

ANSWER:         

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

ANSWER:    

Answer 1