Question

Animals and people that take in more energy than they expend will get fatter. Here are data on 12 rhesus monkeys: 6 lean monkeys (4% to 9% body fat) and 6 obese monkeys (13% to 14% body fat). The data report the energy expended in 24 hours (kilojoules per minute) and the lean body mass (kilograms, leaving out fat) for each monkey.

Lean

Obese

Body Mass	Energy	Body Mass	Energy
6	1.13	8	0.96
7.5	1.07	9.1	1.43
9.2	1.47	10.3	1.11
9.7	1.68	12	1.4
9.1	1.08	11.9	1.27
9.1	1.18	11.2	1.37

(a) What is the mean lean body mass of the lean monkeys?
ANSWER   ?¯=x¯=

equation editor

Equation Editor

kilograms.

(b) What is the mean lean body mass of the obese monkeys?
ANSWER   ?¯=x¯=

equation editor

Equation Editor

kilograms.

Answer 1

Mean Lean body mass of the lean monkey

Mean Lean body mass of the obese monkey