Consider the following data set:

a. Construct a frequency distribution using classes of 3 up to 5, 5 up to 7, etc.

b. Construct relative frequency, cumulative frequency, and cumulative relative frequency distributions.

c. How many of the observations are at least 7 but less than 9? How many of the observations are less than 9?

d. What percent of the observations are at least 7 but less than 9? What percent of the observations are less than 9?

e. Graph a relative frequency histogram.

f. Graph an ogive.

4 10 8 7 10 11 14 13 14 3 9 8 5 7 6 10 3 11 11 8 8 4 12 12 8 8 3. 5.