1) Which equation represents the most appropriate line of best fit (when graphed) for the scatter plot? a) y = 1/2x + 4 b) y = 1/2x + 5 c) y = -1/2x + 5c d) y = -1/2x + 4d 2) Which scatter plot shows the most accurate line of best fit? a) b) c) d) 3) Interpret the slope of the line of best fit. a) When the infant was born, it was approximately 20 inches long. b) After 10 months of age, the infant is approximately 30 inches long. c) The infant grows an average of 1/2 inch every month. d) The infant grows an average of 1 inch every month. 4) Interpret the y-intercept of the line of best fit. a) When the infant was born, it was approximately 20 inches long. b) After 10 months of age, the infant is approximately 30 inches long. c) The infant grows an average of 1/2 inch every month. d) The infant grows an average of 1 inch every month. 5) Which trend does the table strongly suggest? a) Cat owners are most likely to live in an apartment. b) Dog ownders are most likely to live in a house. c) Dog owners are most likely to live in an apartment. d) Cat owners are most likely to live in a house 6) What percent of dog owners live in a house? a) 29% b) 50% c) 58% d) 78% 7) What is the relative frequency of being a girl who has chosen "Aquarium?" a) 0.37 b) 0.73 c) 0.22 d) 0.61 8) In the equation y = 5x + 3, what is the slope? a) 5 b) 3 c) 5/3 d) 3/5 9) In the equation y = 5x + 3, what is the y-intercept? a) 5 b) 3 c) 5/3 d) 3/5 10) What is the value of a? a) 10 b) 14 c) 5 d) 26 e) 9

Scatter Plots and Two-Way Tables

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