in price? 29. The following table gives the frequency distribution of thickness of computer chips (in nanometers; one nanometer is one billionth of a meter) manufactured by two companies A and B. Thickness of computer chips 5 10 15 20 25 30 (in nanometer) Company A 10 15 24 20 18 13 No. of chips by Company B 12. 18 20 22 24 4 By calculating coefficient of variation, which company may be considered more consistent? 30. A buyer obtained samples of electric fan from two companies A and B. He got these samples​

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.