Question: The Travel Bureau of Honolulu surveyed a sample of tourists as they left to return to the United States. One of the questions was: How many rolls of films did you expose when visiting our island? The response was:

a. Using five classes, organize the sample data into a frequency distribution.

b. Portray the distribution in the form of a frequency polygon.

c. What is the mean number of rolls exposed? Use the actual raw data.

d. What is the median? Use the actual raw data

e. What is the mode? Use the actual raw data

f. What is the range? Use the actual raw data

g. What is the sample variance? Use the actual raw data

h. What is the sample standard deviation? Use the actual raw data

i. Assuming that the distribution is symmetrical and bell-shaped, about 95 percent of the tourists exposed between _________ and __________ rolls.