Prev Midterm 2

Midterm Exam
ID:
Name___________________________________
Sec:

Determine whether the quantitative variable is discrete or continuous.
2) the weight of a player on the wrestling team
A) discrete B) continuous

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response. Round relative frequencies to thousandths.
3) The results of a survey about a recent judicial appointment are given in the table below. Construct a relative frequency distribution.

Choose the one alternative that best completes the statement or answers the question.
The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question.
4)

Who got the most votes?

A) Jim B) Ann C) Ming D) Ben

Provide an appropriate response.
6) The table below summarizes of the weights of almonds (in grams) for the almonds in a one pound bag. What is the class width of the classes? Weight (g) Frequency
0.7585-0.8185
1
0.8185-0.8785
1
0.8785-0.9385
1
0.9385-0.9985
3
0.9985-1.0585
157
1.0585-1.1185
171
1.1185-1.1785
8

A) 0.4 B) 0.059 C) 0.06 D) 0.408

7) For the stem-and-leaf plot below, what are the maximum and minimum entries?

0 8 6 6 6 7 8 9 0 1 1 2 3 4 4 5 6 6 7 7 7 8 8 9 9 9 0 1 1 2 3 4 4 5 5 6 6 6 7 8 8 9 9 1 7

A) max: 47; min: 1 8 B) max: 38; min: 7
C) max: 4 1; min: 1 0 D) max: 4 7; min: 1 0

Describe the shape of the distribution.
9)

9) _______

A) uniform B) skewed to the left
C) skewed to the right D) bell shaped

Provide an appropriate response.
11) The heights of ten female students (in inches) in a college math class are listed below. Find the mean.

A) 65.5 inches B) 71.1 inches C) 67.7 inches D) 70.0 inches

12) The commuting times (in minutes) of an employee for ten consecutive days are listed below. Find the median commute.

A) 72 minutes B) 73 minutes C) 67 minutes D) 71 minutes

13) The ages of five