CBEST - California Basic Educational Skills Math: Data Interpretation and Statistics Flashcards
6 cards from real CBEST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CBEST - California Basic Educational Skills Math: Data Interpretation and Statistics flashcards as text
A bar graph shows test scores for 5 students: 72, 85, 90, 68, and 95. What is the median score?
Answer: 85
Arranging scores in order (68, 72, 85, 90, 95), the middle value is 85.
A pie chart shows that 40% of a school's 300 students prefer math. How many students prefer math?
Answer: 120
40% of 300 = 0.40 × 300 = 120 students.
The mean of five numbers is 14. Four of the numbers are 10, 12, 16, and 18. What is the fifth number?
Answer: 14
Sum = 14 × 5 = 70; 70 − (10+12+16+18) = 70 − 56 = 14.
A line graph shows rainfall (inches) for January through April: 3, 5, 4, 6. What is the average monthly rainfall?
Answer: 4.5
(3+5+4+6) ÷ 4 = 18 ÷ 4 = 4.5 inches.
In a frequency table, the mode of a data set refers to which value?
Answer: The value that appears most often
The mode is the value that occurs with the greatest frequency in a data set.
A scatter plot shows a strong positive correlation between study hours and test scores. What does this mean?
Answer: As study hours increase, test scores tend to increase
A positive correlation means both variables increase together.