The manager of a nightclub near a local university recorded the ages of the last 100 guests in the following cumulative frequency distribution.

a. Construct the corresponding frequency, relative frequency, and cumulative relative frequency distributions.

b. How many of the guests were at least 26 but less than 30 years old? What percent of the guests were at least 22 but less than 26 years old? What percent of the guests were younger than 34 years old? What percent were 34 years or older?

c. Construct a histogram. Comment on the shape of the distribution. R-69

Transcribed Image Text:

Ages 18 up to 22 22 up to 26 26 up to 30 Cumulative Frequency 45 70 85 30 up to 34 34 up to 38 96 100