Question

The equation of the line of best fit relating age (in years, x) and the median height (in cm, y) of boys is given.

y = 6.5x + 75.5y=6.5x+75.5
Predict the median height of boys age 13.



123 cm

140 cm

160 cm

82 cm

Answer 1

Answer:160 cm

Explain: I just got a feeling

Answer 2

160 cm

Explanation:

Substitute x = 13 into the equation

y = 6.5(13) + 75.5 = 84.5 + 75.5 = 160

The median height of boys age 13 is 160 cm