Date
Interpreting Slopes and y-Intercepts of
Lines of Best Fit
Na
Read each scenario and look at the scatter plot and given line
of best fit. Then answer the questions.
2. Dr
At the Junior Surf Championship, judges scored each surfer's performance from 0 to 10.
The scatter plot shows the relationship between the average number of hours spent
training each day in the week leading up to the competition and the competition scores.
3/
Score
Junior Surf Championship Scores
YA
2960
4
1 2
3 4 5
6 7
B
Average Training Hours Per Day
a. Write the equation of the line of
best fit in slope-intercept form.
Dana 1
Page 1
b. What is the slope? 4
mean in terms of the scenario?
they trained Yor A noore Per day
What does the slope
c. What is the y-intercept?
y-intercept mean in terms of the scenario?
What does the