BSEP Data Interpretation and Graphs 5

Question 1

A line graph tracks a company's monthly profit from January through June. The line goes down from April to May. What does a downward slope between two points on a line graph mean?

Accepted Answer

The value decreased

Answer

A downward slope means the quantity on the y-axis decreased from one point to the next.

Question 2

A stacked bar graph shows the number of male and female employees in three departments. The HR bar is 60 units tall: the male segment is 25 units. How many female employees are in HR?

Accepted Answer

35

Answer

Female employees = total bar height − male segment = 60 − 25 = 35.

Question 3

A data set has the values: 10, 15, 15, 20, 100. Which measure of central tendency is most affected by the outlier 100?

Accepted Answer

Mean

Answer

The mean adds all values including the outlier before dividing, so extreme values pull it up or down significantly.

Question 4

A pie chart shows transportation preferences for 200 surveyed students. The 'Bus' slice is 25%. How many students prefer the bus?

Accepted Answer

50

Answer

25% of 200 = 0.25 × 200 = 50 students.

Question 5

A bar graph shows the number of books read by students in a class. The bars for Mon–Fri show: 5, 8, 6, 9, 7. What is the median number of books read?

Accepted Answer

7

Answer

Arranging in order: 5, 6, 7, 8, 9 — the middle value (median) is 7.

BSEP - Basic Skills Education Program Practice Test

BSEP - Basic Skills Education Program Practice Test

BSEP Data Interpretation and Graphs 5