The mean length of 10 childrens' big finger is 8.1cm. The mean length of 11 adults' big finger is 14.1cm.
What is the mean length (rounded to 2 DP) of these 21 people's big finger?

Average length of all the 10 children's finger is (8.1×10) cm = 81 cm.

Average length of all the 11 adult's big finger is (14.1×11) cm =155.1

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

school a:

minimum value is 2

maximum value is 22

the lower quartile is 2.5

the median is 10

the upper quartile is 15.5

school b:

minimum value is 9

maximum value is 20

the lower quartile is 12

the median is 16

the upper quartile is 18

box plot for school a isn't symmetrical. the data tails on the right

box plot for school b isn't symmetrical. the data tails on the left

hope i

-lavira: )