TCAP Success Grade 8 MATH Chapter 9

Which of the following accurately describes the relationship between age and value of cars in the graph below?

What is the relationship of the data below?

To see if height is correlated to weight, Sherry asks 10 people what their height and weight is. The data is listed below. (63", 150 lb), (67", 160 lb), (72", 190 lb), (62", 180 lb), (64", 130 lb), (70", 210 lb), (63", 120 lb), (68", 165 lb), (65", 145 lb), and (68", 220 lb)

Which graph represents this data with an accurate line of best fit?

Which scatter plot shows a negative correlation?

Jamie wanted to know if there is a relationship between the type of sport played and the grade the student is in. He surveyed 100 students at his middle school. His results are displayed in the two-way relative frequency table below.

Out of all the students, 44% chose __ , making it the most popular sport.