The data set below represents the ages of the ten students in larry’s 7th-grade math class.
12, 11, 13, 13, 12, 13, 12, 13, 13, 12

a. What is the mean age of the ten students?

b. What is the median age of the ten students?

c. What age describes the first quartile of the data?

d. What age describes the third quartile of the data?

e. What age describes the interquartile range?

f. Explain the meaning of the interquartile range as it relates to the age of the students in the 7th-grade class.

a.12.4 b.12.5  c.12

Step-by-step explanation:

step-by-step explanation:

i dont get

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: