Question 10 The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. 11.5 8.3 7.1 3.3 2.4 2.7 2.4 0.9 y 13.9 |11.3 10.4 6.6 6 6.6 5.8 4.9 T - thousands of automatic weapons y - murders per 100,000 residents This data can be modeled by the equation y = 0.871 + 3.97. Use this equation to answer the following; Special Note: I suggest you verify this equation by performing linear regression on your calculator. A) How many murders per 100,000 residents can be expected in a state with 10.2 thousand automatic weapons? Answer - Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 7.4 thousand automatic weapons? Answer - Round to 3 decimal places. Question Help: Video Message instructor Submit Question 38OF O np 112 prt sc BRI 10 11 19 144 16 0 8 % 4 5 P RQuestion 11 A regression was run to determine if there is a relationship between hours of study per week (c) and the final exam scores (y). The results of the regression were: y-ax+b a-5. 261 b-28 . 65 -2-0.7569 r=0.87 Use this to predict the final exam score of a student who studies 1.5 hours per week, and please round your answer to a whole number. Hint: Help Irse 1 Question Help: Message instructor Submit Question ton 38OF ~ 90 O hp prt sc delet 19 144 & % 5 P R T K G H FThe table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. 11.9 8.3 3.7 2.5 2.3 2.5 0.9 y 14.1 11 9.7 7.4 6.1 6.3 6.1 I = thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the equation y - 0.82r + 4.2. Use this equation to answer the following; A) How many murders per 100,000 residents can be expected in a state with 2.4 thousand automatic weapons? Answer - Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 10.5 thousand automatic weapons? Answer - Round to 3 decimal places. Question Help: Message instructor Submit Question 38.F O hp 112 mort sc 10 9 144 16 0 & 8 9 % 5 P