2. Christina is preparing data for the nursing conference. She has gathered information on how the number of nurses have risen or fallen over the last 20 years. Which kind of data display would best represent this information?

A. a bar graph
B. a box-n-whisker plot
C. a line graph
D. a stem-and-leaf plot

3. If the median height of 12 students is 5 feet 6 inches, how many students must be exactly 5 feet 6 inches?

A. 0
B. 2
C. 6
D. 12

5. Shane wants to compare the ticket sales for the opening game of 5 different college football teams. Which type of graph is appropriate to display this information?

A. a bar graph
B. a box-n-whisker plot
C. a line graph
D. a scatterplot
.
7. What number can be added to the following data set in order to raise the mean to 25?

Data Set: 12, 12, 18, 20, 32

A. 6.2
B. 18.8
C. 31
D. 56

8. Gus works at a pet store with one kennel that contains a variety of puppies. There are 4 beagles, 5 poodles, 2 collies, and 1 terrier. What is the probability that the next puppy sold will be a collie?

A. 1/6
B. 1/3
C. 1/2
D. 2/3

9. A paper bag contains 12 slips of paper. Seven of them are red and are numbers 1 to 7. Five of them are green and are numbered 8 to 12. What is the probability of drawing a red slip of paper with an odd number?

A. 1/3
B. 2/5
C. 1/2
D. 2/3

10. Jenna has 6 necklaces, 4 pairs of earrings and 3 bracelets that are all gold. How many different combinations consisting of one necklace, one pair of earrings and one bracelet are possible?

A. 13
B. 24
C. 72
D.

2a
3c
5a
7-i dont understand the question,plz explain cuz english is not my native language
8a there are 12 puppies,2 collies=> 2/12=1/6
9a there are 4 red slip of paper with an odd number..4/12=1/3
10c 6*4*3=72

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