The table alongside compares the mass of guinea pigs at birth with their mass when…

MATHEMATICS · Multi-part · CBSE · Mathematics · Tales by Dots and Lines · Tales by Dots and Lines

Problem

The table alongside compares the mass of guinea pigs at birth with their mass when they are two weeks old.
Guinea PigMass (g) at birthMass (g) at 2 weeks
A75210
B70200
C80200
D70220
E74215
F60200
G55206
H83230
(a) Find the mean birth mass. (b) Find the mean mass after two weeks. (c) Find the mean increase over the two weeks.

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