QUESTION 9
Which of the following histograms represents this set of data?
2, 3, 1, 10, 14, 22, 19, 28, 6, 11, 34, 30, 6, 18, 19, 20, 14, 29, 5, 9, 7, 9, 12, 3, 10
A. Histogram class 0-9 has frequency 5, class 10-19 has frequency 8, class 20-29 has frequency 4, class 30-39 has frequency 5
B. Histogram class 0-9 has frequency 10, class 10-19 has frequency 9, class 20-29 has frequency 4, class 30-39 has frequency 2
C. Histogram class 0-9 has frequency 5, class 10-19 has frequency 2, class 20-29 has frequency 8, class 30-39 has frequency 2
D, Histogram class 0-9 has frequency 4, class 10-19 has frequency 6, class 20-29 has frequency 8, class 30-39 has frequency 2
QUESTION 10
Examine the box-and-whisker plot below. Identify the third quartile of the data set.
box-and-whisker plot with minimum 14, Q1 15, Median 19.5, Q3 23, Max 25
A. 14
B. 23
C. 15
D. 19.5
3 points
QUESTION 11
Below is a set of data representing the percentage of females in the labor force of several countries in 1980. Choose the box-and-whisker plot for this data set.
36, 40, 40, 38, 39, 45, 41, 42
A box-and-whisker plot with minimum 36, Q1 38.5, Median 40, Q3 41.5, Max 45
B box-and-whisker plot with minimum 41, Q1 42, Median 44.5, Q3 46, Max 48
C box-and-whisker plot with minimum 42, Q1 43, Median 46, Q3 48, Max 50
D box-and-whisker plot with minimum 44, Q1 46, Median 49, Q3 52, Max 54
3 points
QUESTION 12
What are the dimensions of the following matrix?
a. 2x2
b. 2x3
c. 3x2
d. none of these