CBEST CBEST - California Basic Educational Skills Math: Data Interpretation and Statistics 2

Question 1

A table shows sales data: Monday $200, Tuesday $350, Wednesday $150, Thursday $400, Friday $300. Which day had the highest sales?

Accepted Answer

Thursday

Answer

Thursday had the highest sales at $400.

Question 2

The range of the data set {4, 7, 2, 9, 5, 11} is:

Accepted Answer

9

Answer

Range = Maximum − Minimum = 11 − 2 = 9.

Question 3

A double bar graph compares boys' and girls' reading scores across three grades. What type of comparison does this graph best support?

Accepted Answer

Comparing two groups across multiple categories

Answer

Double bar graphs are designed to compare two groups side-by-side across multiple categories.

Question 4

If the probability of rain on any given day is 0.3, what is the probability it will NOT rain?

Accepted Answer

0.7

Answer

P(not rain) = 1 − 0.3 = 0.7.

Question 5

A histogram shows the distribution of student ages in a class. The y-axis represents frequency. What does a tall bar indicate?

Accepted Answer

Many students are that age

Answer

In a histogram, bar height represents frequency, so a taller bar means more students fall in that interval.

CBEST - California Basic Educational Skills Test Practice Test