CSAP Quiz #4

1. The graph below shows the rate of climb in a jet during a thirty second time period. At what second was the climb of the aircraft 40 kilometers?

5

2

3

4

2. Autum's weekly salary from 1994 to 2001 is shown on the graph below. Using this information predict what Autum's salary will be in 2004

$850

$775

$750

$1000

3. Aaron went to Pueblo Mall to buy a CD for his brother. The original price of the CD was $15.95, but the store was offering a 15% discount. What was the cost of the CD after the discount?

$13.56

$14.45

$15.80

$18.34

4. Suppose the probability of a Siamese cat having brown eyes is 1 in 20. If you have 160 Siamese cats how many are likely to have brown eyes?

4

8

16

20

5. There are 360 tickets available for the 8th-grade dance. The class sold 95% of the tickets in advance. How many tickets were NOT sold in advance?

18

34

180

342

6. Robbie drew a line of best fit on the scatter-plot below. What can he deduce after drawing a line of best fit.

The graph shows a positive correlation. (positive slope)

The graph shows a negative correlation. (negative slope)

The graph does not show any correlation (no slope)

There is simply not enough information to make any deduction from this graph.

7. The graphs show the number of honor roll students for each grade at John Mall Jr/Sr High School. Which statement is true?

The scale on the second graph does NOT distort the length of the bars.

The graphs are identical.

The graphs use completely different data.

The second graph makes it look like the 7th graders had much more honor roll students than the other classes.

8. Ms. Coney drew a box-and-whisker plot to represent the 8th grade students scores on a quiz. Natalie scored an 83 on her quiz. Describe how her score compares with those of her classmates.

About 25% scored higher, about 75% scored lower.

About 75% scored higher, about 25% scored lower.

About 50% scored higher, and about 50% scored lower.

There is simply NOT enough information to make a determination.

9. Eighth grade students were surveyed to determine how many hours in a day they spent on various activities. The results are in the circle graph. About how much time was spent on socializing and eating together?

4 hours

21 hours

6 hours

5 hours

10. Sarah has a bag of marbles. Ten marbles are yellow and five marbles are blue. What is the probability of Sarah choosing a yellow marble, then a blue marble without replacement of the yellow marble?

2/3

2/9

5/21

1/3

Csap Quiz #4