USE THE 68-95-99 RULE for a Mean = 100 & Standard Divation = 20 find percentages (%) for scores in each category below.
greater than 160=
greater than 80=

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x