Coorellation line of best fit

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

What type of correlation does this scatter plot show? Options: positive, negative, no correlation, nonlinear association

Back

negative

Front

What is the type of correlation? Options: Negative, no correlation, positive

Back

no correlation

Front

What type of association does this graph have?

Back

positive

Front

Equation of trend line: y = 1/2x + 1. How many laps in 23 minutes?

Back

44 laps

Front

Equation of the line of best fit?

Back

y = -25x + 170

Front

Use the line of best fit to approximate rate of change relative to the scatter plot above.

Back

-5/7

Front

Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C

Front

What is the line of best fit? Options: y = 5/3x + 375, y = 1/3x + 475, y = 5/3x + 3, y = 1/3x + 375

Back

y = 5/3x + 375

Front

Calculate a line of best fit for a table comparing a person's foot length to their height in cm. Options: f(x) = 25.05x + 5.57, f(x) = 5.57x + 25.05, f(x) = -5.57x + 25.05, f(x) = 5.57x - 25.05

Back

f(x) = 5.57x + 25.05