ParaPro Interpreting Data, Charts, and Graphs 4

Question 1

A scatter plot shows student test scores on the x-axis and hours studied on the y-axis. The data points form a pattern going from lower-left to upper-right. What does this indicate?

Accepted Answer

A positive correlation between studying and scores

Answer

A negative correlation between studying and scores

Answer

No relationship between studying and scores

Answer

Studying hours cause higher test scores

Question 2

A pie chart shows how a school spends its budget: 40% salaries, 25% supplies, 20% maintenance, 15% technology. Which two categories together account for more than half the budget?

Accepted Answer

Salaries and supplies

Answer

Supplies and maintenance

Answer

Salaries and technology

Answer

Maintenance and technology

Question 3

A table shows rainfall in inches: January=2.1, February=1.8, March=3.4, April=4.2, May=3.9. What is the range of rainfall across these five months?

Accepted Answer

2.4 inches

Answer

2.1 inches

Answer

3.4 inches

Answer

4.2 inches

Question 4

A double bar graph compares boys' and girls' participation in after-school clubs across four grades. In Grade 7, the boys' bar reaches 30 and the girls' bar reaches 45. What fraction of Grade 7 participants are boys?

Accepted Answer

2/5

Answer

1/2

Answer

2/3

Answer

1/3

Question 5

A line graph tracks a school's library book checkouts over 6 months. The line rises steeply between October and November, then levels off through January. What can you conclude?

Accepted Answer

The largest increase in checkouts happened between October and November

Answer

Checkouts peaked in January

Answer

Checkouts decreased after November

Answer

The library received new books in January

Question 6

A frequency table shows quiz scores for 20 students: Score 70–79 appears 4 times, 80–89 appears 9 times, 90–99 appears 7 times. What percentage of students scored in the 80–89 range?

Accepted Answer

45%

Answer

35%

Answer

40%

Answer

50%

Question 7

A histogram displays the distribution of ages of students in an after-school program. The tallest bar is in the 10–11 age group. What does this tell you?

Accepted Answer

More students in the program are ages 10–11 than any other age group

Answer

The average age of participants is 10–11

Answer

All students in the program are between 10 and 11 years old

Answer

Students aged 10–11 participate the most hours per week