Csap Quiz #4
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Choose the best answer for the following questions.
- 1.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
- A.
$850
- B.
$775
- C.
$750
- D.
$1000
- 2.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?
- A.
18
- B.
34
- C.
180
- D.
342
- 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?
- A.
$13.56
- B.
$14.45
- C.
$15.80
- D.
$18.34
- 4.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?
- A.
5
- B.
2
- C.
3
- D.
4
- 5.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?
- A.
4 hours
- B.
21 hours
- C.
6 hours
- D.
5 hours
- 6.The graphs show the number of honor roll students for each grade at John Mall Jr/Sr High School. Which statement is true?
- A.
The scale on the second graph does NOT distort the length of the bars.
- B.
The graphs are identical.
- C.
The graphs use completely different data.
- D.
The second graph makes it look like the 7th graders had much more honor roll students than the other classes.
- 7.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.
- A.
About 25% scored higher, about 75% scored lower.
- B.
About 75% scored higher, about 25% scored lower.
- C.
About 50% scored higher, and about 50% scored lower.
- D.
There is simply NOT enough information to make a determination.
- 8.Robbie drew a line of best fit on the scatter-plot below. What can he deduce after drawing a line of best fit.
- A.
The graph shows a positive correlation. (positive slope)
- B.
The graph shows a negative correlation. (negative slope)
- C.
The graph does not show any correlation (no slope)
- D.
There is simply not enough information to make any deduction from this graph.
- 9.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?
- A.
4
- B.
8
- C.
16
- D.
20
- 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?
- A.
2/3
- B.
2/9
- C.
5/21
- D.
1/3
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