3 Because 7 x 3 = 21 and 7 + 3 = 10
7 x w = 21 and 7 + w = 10
Utilize inflation rate formula
Subtract the past date CPI from the current date CPI and divide your answer by the past date CPI. Multiply the results by 100. Your answer is the inflation rate as a percentage.
Answer: See below.
You would sketch a traditional bell curve. For middle line (the highest point of the circle), you would label it with the mead of 50.
Going to the right, you would draw 3 vertical lines. The lines would count up by 2 for each standard deviation. 52, 54, 56
Going to the left, you would draw 3 vertical lines. The lines would count down by 2 for each standard deviation. 48, 46, 44
