Hannah weighed 7.2 pounds at birth. Her weight was recorded at each of her infant doctor visits. The records from her appointments from birth to six months are shown in the table below. 6a) Find the line of best fit:
10 points
Your answer
6b) Estimate Hannah’s weight at her one-year visit:
5 points
Your answer
7. The table below shows the average life expectancy (in years) based on certain birth years.

7a) Find the line of best fit:
10 points
Your answer
7b) Estimate the life expectancy for someone born in 2005