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48. Raquel noticed that the higher number of members in the family living together corresponds to lower performance of the student. What conclusion can you draw from the direction of correlation? A. The variables have zero correlation. C. The variables have negative correlation. D. The variables have moderate correlation. B. The variables have positive correlation. 49. Gladys sells restaurant discount cards as part of a fund raiser to support health workers during the pandemic. The equation y = -10x + 500 models his selling where y is the total number of cards and x is the number of days. What does the value of the slope indicate? A. Gladys starts with 500 cards to sell. C. Nathan earns 500 pesos for every 10 cards he sells. B. Nathan is selling 500 cards over 10 days. D. There is a decrease of 10 cards daily on the total number of cards. 50. What does slope represent? A. predicted value of y C. variation around the line of regression B. predicted value of y when x = 0 D. estimated change of y per unit change in x

48. Raquel noticed that the higher number of members in the family living together corresponds to lower performance of the student. What conclusion can you draw from the direction of correlation? A. The variables have zero correlation. C. The variables have negative correlation. D. The variables have moderate correlation. B. The variables have positive correlation. 49. Gladys sells restaurant discount cards as part of a fund raiser to support health workers during the pandemic. The equation y = -10x + 500 models his selling where y is the total number of cards and x is the number of days. What does the value of the slope indicate? A. Gladys starts with 500 cards to sell. C. Nathan earns 500 pesos for every 10 cards he sells. B. Nathan is selling 500 cards over 10 days. D. There is a decrease of 10 cards daily on the total number of cards. 50. What does slope represent? A. predicted value of y C. variation around the line of regression B. predicted value of y when x = 0 D. estimated change of y per unit change in x

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 15PPS
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48. Raquel noticed that the higher number of members in the family living together corresponds to lower performance of the student. What conclusion can you draw from the direction of correlation? A. The variables have zero correlation. C. The variables have negative correlation. D. The variables have moderate correlation. B. The variables have positive correlation. 49. Gladys sells restaurant discount cards as part of a fund raiser to support health workers during the pandemic. The equation y = -10x + 500 models his selling where y is the total number of cards and x is the number of days. What does the value of the slope indicate? C. Nathan earns 500 pesos for every 10 cards he sells. A. Gladys starts with 500 cards to sell. B. Nathan is selling 500 cards over 10 days. D. There is a decrease of 10 cards daily on the total number of cards. 50. What does slope represent? A. predicted value of y C. variation around the line of regression B. predicted value of y when x = 0 D. estimated change of y per unit change in x
Transcribed Image Text:48. Raquel noticed that the higher number of members in the family living together corresponds to lower performance of the student. What conclusion can you draw from the direction of correlation? A. The variables have zero correlation. C. The variables have negative correlation. D. The variables have moderate correlation. B. The variables have positive correlation. 49. Gladys sells restaurant discount cards as part of a fund raiser to support health workers during the pandemic. The equation y = -10x + 500 models his selling where y is the total number of cards and x is the number of days. What does the value of the slope indicate? C. Nathan earns 500 pesos for every 10 cards he sells. A. Gladys starts with 500 cards to sell. B. Nathan is selling 500 cards over 10 days. D. There is a decrease of 10 cards daily on the total number of cards. 50. What does slope represent? A. predicted value of y C. variation around the line of regression B. predicted value of y when x = 0 D. estimated change of y per unit change in x
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