Identify what type of measure scale is being used: Nominal, Ordinal, Interval, or Ratio.

(a) Common letter grades: A, B, C, D, F.

(b) Social Security Numbers.

(c) The distance in miles to the closet grocery store.

(d) The dates 1066, 1492, 1644, 1947, and 1944.

(e) The heights of 21 - 65 year-old women.

Identify the type of data: Qualitative or Quantitative.

(a) Common letter grades: A, B, C, D, F.

(b) Social Security Numbers.

(c) The distance in miles to the closet grocery store.

(d) The dates 1066, 1492, 1644, 1947, and 1944.

(e) The heights of 21 - 65 year-old women.

Identify the type of quantitative: Discrete or Continuous. If the data is not Quatitative, then enter NA.

(a) Common letter grades: A, B, C, D, F.

(b) Social Security Numbers.

(c) The distance in miles to the closet grocery store.

(d) The dates 1066, 1492, 1644, 1947, and 1944.

(e) The heights of 21 - 65 year-old women.

Sixty one adults with gum disease were asked the number of times per week they used floss before their diagnosis.

(a) Complete the table below. Enter your answers asfractions.

# of Flossing per Week/frequency

0. 27

1. 18

3 ?

6 3

7 1

relative?

cumulative?

(b) What percent of adults flossed six times per week?

(c) What percent flossed at most three times per week?