12Just need help with C for the last question

Caf Michigan's manager, Gary Stark, suspects that demand for mocha latte coffees depends on the price being charged. Based on historical observations, Gary has gathered the following data, which show the numbers of these coffees sold over six different price values: Number Sold Price $2.70 $3.60 $2.10 $4.10 $3.00 $4.05 770 510 975 250 325 490 Using simple linear regression and given that the price per cup is $1.80, the forecasted demand for mocha latte coffees will be cups (enter your response rounded to one decimal place). The following gives the number of accidents that occurred on Florida State Highway 101 during the last 4 months: Month Jan Feb Mar Apr 100 Number of Accidents 25 48 60 Using the least-squares regression method, the trend equation for forecasting is (round your responses to two decimal places): = + 0x + Montn January February March April May June Price Per Chip $1.85 $1.61 $1.60 $1.85 $1.90 $1.95 Month July August September October November December Price Per Chip $1.90 $1.85 $1.65 $1.55 $1.60 $1.75 This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Mar Apr May Jun Jul Aug Sep Oct Nov Dec recast $1.73 1.61 1.73 1.88 1.93 1.93 1.88 1.75 1.6 58 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month May Jun Jul Aug Sep Oct Nov Dec Apr $1.69 Forecast 1.69 1.78 1.90 1.92 1.90 1.80 1.68 .68 1.6 c) The mean absolute deviation based on a 2-month moving average of March through December is $(round your response to three decimal places)