4. This box plot shows the number of marks earned by the boys in a class test. What was the lower quartile? 5.This box plot show
s the number of marks earned by the girls in a class test. What was the upper quartile? 6. This box plot shows the number of minutes passengers spent in a station waiting room. What is the range of times spent in the waiting room?
1 answer:
You might be interested in
(a) 32 orange marbles
the ratio of red : blue = 18 : 48 = 3 : 8 ( in simplest form )
the ratio of green : orange = 3 : 8 ( equal ratio )
divide green by 3 to obtain 1 part of ratio then multiply this value by 8 to obtain the amount of orange marbles
3 parts → 12
8 parts → 12 × = 32 orange marbles