Data Analysis Correlations Mock Tests

A table shows ad spend and revenue: 000 (000), 000 (000), 000 (3000), 000 (7000). What is the approximate revenue for 500 ad spend?

A table shows the relationship between hours studied and test scores: 2 hours (45), 4 hours (62), 6 hours (78), 8 hours (91), 10 hours (98). What is the approximate score for 5 hours of study?

A scatter plot description: A study examines the relationship between hours studied per week and exam scores for 20 students. The data shows a strong positive correlation (r = 0.85) between hours studied and exam scores. The regression line is: Score = 55 + 3.5(hours studied). According to the regression model, what is the predicted exam score for a student who studies 10 hours per week?

A scatter plot shows a correlation of r = 0.85 between study hours and exam scores. Which of the following best describes this relationship?

A table shows advertising spend and corresponding sales: $1000 ($5000), $2000 ($9000), $3000 ($13000), $4000 ($17000), $5000 ($21000). What is the approximate sales for $3500 ad spend?