Achievement Test Data Interpretation and Analysis 2

Question 1

A stem-and-leaf plot shows data with stems 2, 3, 4 and leaves 2|5,8 | 3|1,4,9 | 4|0,6. What is the largest value in the data set?

Accepted Answer

46

Answer

40

Answer

49

Answer

56

Question 2

A line graph shows a store's weekly sales: Mon=$200, Tue=$350, Wed=$300, Thu=$450, Fri=$600. Which two consecutive days showed the greatest increase in sales?

Accepted Answer

Thursday to Friday

Answer

Monday to Tuesday

Answer

Tuesday to Wednesday

Answer

Wednesday to Thursday

Question 3

A table shows car prices: Sedan=$22,000, SUV=$35,000, Truck=$28,000, Van=$26,000. What is the mean (average) price of all four vehicles?

Accepted Answer

$27,500

Answer

$26,000

Answer

$28,000

Answer

$35,000

Question 4

A histogram displays the distribution of student ages: 8-9 years=12 students, 10-11 years=18 students, 12-13 years=15 students. Which age group has the most students?

Accepted Answer

10-11 years

Answer

8-9 years

Answer

12-13 years

Answer

All groups are equal

Question 5

A survey of 200 people asked about their favorite season. 25% chose Summer. How many people chose Summer?

Accepted Answer

50

Answer

25

Answer

40

Answer

75

Question 6

Looking at a data set: 5, 8, 8, 9, 12, 15, 15, 15, 20. What is the mode?

Accepted Answer

15

Answer

8

Answer

9

Answer

12

Question 7

A Venn diagram shows 30 students who like math, 25 who like science, and 10 who like both. How many students like math OR science (but not necessarily both)?

Accepted Answer

45

Answer

35

Answer

55

Answer

65