Question

1. Listed below are the heights from a sample of male students (in inches).

   75	72	72	73	74	65
   69	74	70	70	71	75
   71	75	69	75	78	70

1. [3 pts]Create an ordered stem and leaf display for these data.

2. [1 pt] How many students are measured?

3. [1 pt] What percentage of students are at least 70”? (Round to 1 decimal

   place.)

2. As of 2017, the following are the ages, in chronological order, at which the last 30 U.S. Presidents were inaugurated:

70 47 54 46 64 69 52 61 56 55
43 62 60 51 54 51 55 56 51 42
54 55 55 55 47 50 49 54 46 56

1. [ 3 pts] Organize the data by creating a frequency distribution using the following classes: 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, and 70- 74.

2. [1 pt] How many of the last 30 U.S. Presidents were inaugurated while in their 50’s?

3. [1 pt] What percentage of the last 30 U.S. Presidents were inaugurated at the age of 60 or later? (Round to 1 decimal place.)

Please answer in sentence and explain how you got answer. Thank you!

Answer 1