hat does the slope of the model represent, algebra homework help

hat does the slope of the model represent, algebra homework help

9. A scatter plot is made to model the number of tickets sold at an amusement park in different number of days. The data used for the scatter plot is shown in the table below: Days 5 3 8 6 1 4 Number of tickets sold 325 225 475 375 125 275 What does the slope of the model represent? (4 points)

The price of each ticket sold The original number of tickets sold The number of tickets sold per day The number of tickets sold on the first day

10. A scatter plot is made to model the following data: Number of days (x) 2 7 0 4 8 3 6 1 5 Number of leaves on a plant (y) 35 10 45 25 5 30 15 40 20 What does the y-intercept of the model represent? (4 points)

The original number of leaves on the plant The total number of leaves after one day The increase in the number of leaves each day The decrease in the number of leaves each day

11. The table below shows the number of years after the year 2000, and the percentage of people of a country owning homes: Number of years after 2000 (x) 2 4 5 1 3 7 6 Percentage of people owning homes (y) 24% 32% 36% 20% 28% 44% 40% What is the correlation coefficient for the data, and what does it represent? (5 points)

0; it represents no correlation between x and y 1; it represents a perfectly linear positive correlation between x and y 1; it represents a perfectly linear negative correlation between x and y -1; it represents a perfectly linear negative correlation between x and y

12. Jack observed that he got rashes whenever he ate white berries he picked from his backyard. He concluded that eating white berries causes rashes. Which of the following statements will prove that there is a correlation and not causation between eating white berries and getting rashes? (5 points)

The rashes are cured when Jack takes medicine. Jack gets rashes only when he eats white berries picked from his backyard. The white berries cause digestion problems which are manifested in the form of rashes. The berry plant secretes a sap which causes rashes when it comes in contact with human skin.

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