What Is The Best Parting Gift? Write the letter of each answer in the box containing the exercise number. Use a graphing calculator to find an equation of the line of best fit for the data. 1 X 2 4 5 6 V 16 19 22 24 27 31 M. y = 3.5x + 10.7 N. y = 10.7x + 3.5 O. y = -3.5x + 10.7 2 -9 -3 3 12 y -9 6 -14 12 -21 15 A. y = 0.3x - 2 B. y = 2x - 0.3 C. 1 = -2x - 0.3 Tell whether a correlation is likely in the situation. If so, tell whether there is a causal relationship. 3. the amount of time spent on the Internet on a laptop and the remaining battery life B. negative correlation; causal C. negative correlation; not causal D. no correlation 4. the number of shoes you own and the size of your foot M. positive correlation; causal N. positive correlation: not causal O. no correlation 5. Is y = x + 12 a good fit for the data? B. no -S -4 -3 -2 -1 1 2 C. yes 9 11 12 14 2 5 3Choose an appropriate data display for the situation. Explain your reasoning. 1. the price of a stock over the last 3 years 2. the numbers of breads, rolls, mufting, and cookies baked this week 3. the number of runners in each 10-vear ape bracket 4. the comparison of city population and the number of fire stations Explain why the data display iz misleading. apples pears oranges banmanas Frult 7. An EMT wanits 1o use a data display to show students the relationship between the speed of the vehicle and the number of accidents. Choose an appropriate data display for the situation. Explain your reasoning. 8. What type of data display is appropriate for showing the averages of data over a period of time? 9. The home insurance industry wants to use a data display to show the variability in the costs of insurance for a $200,000 home. Choose an appropriate data display for the situation. Explain yvour reasoning. 10. A nutritionist wants to use a data display to show kindergarteners the recommended amounts of fruits, vegetables, breads, meats, and dairy that should be consumed each day. Choose an appropriate data display for the situation. Explain your reasoning. 11. The Smithsonian has been collecting data over the last 60 days. They want to use a data display to both put the data in order and to display how the data is distributed. Choose an appropriate data display for the situation. Explain vour reasoning