8th Grade Math - Statistics and Probability

Common Core Math Practice

This quiz illustrates the range of difficulty expected by the following Common Core State (CCS) standards:

 Question Common Core Standard # 1 8.SP.1 2 8.SP.2 3 8.SP.3 4 8.SP.4 5 8.SP.4 6 8.SP.4

Question 1: The scatter plot in the figure below shows the GPA of the students of a class versus their commute time. Which of the following statements is true? Question 2: All students of a school were asked what their preferred sport is and the results were recorded below.

Favorite Sport by Gender
Boys25412490
Girls284240110
Totals538364200

Which of the following statements are correct?

Questions 3 and 4: The graph below shows the diameters of a number of white oak trees versus their ages. The growth factor of white oak trees is approximatively:

Assuming a linear growth rate, what is the diameter of a 130 years old white oak tree?

Questions 5 and 6: A study investigates the relationship between learning piano and the mathematics level of fifth grade students, by testing them with a mathematics quiz and recording the results in the table below.

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Student Studies Piano Yes No Yes No No Yes Yes No No Yes Yes No No No Yes No No No Yes No Mathematics Quiz Grade A C B D B A A C A D A A B C A D C B A B