Approximately what percent of the actual cost is more than 15 dollars different from the cost predicted by the line of best fit for the data?
40%
Approximately what percent of the girls’ ages is more than 1 year different from the age predicted by the line of best fit?
17%
The table below shows the height of an oak tree. Interpret the meaning of the slope.
3.5 inches per month
The table below shows the balance of the bank account. Interpret the meaning of the slope.
$100 per week
Describe the correlation that is displayed in the data
Strong Negative
Describe the correlation that is displayed in the data
Weak Positive
The table below gives the number of hours spent studying for an exam and the final exam grade. Find the LOBF
y=7.9775x+56.9355 OR y = 8x + 57
The table below shows the lengths and corresponding weight of sand sharks. Find the LOBF
y = 4.35714x + -156.143 OR y = 4.36x - 156.1
The line of best fit equation is y=1.04x + 58.84 where x is waking and y is running. Using the linear best fit model, what is the predicted running heart rate of a girl who's running heart rate is 100?
162.84 or 163 beats per minutes for running heart rate
Dahlia noticed that her tomato plant grew new leaves at a steady rate, after the plant sprouted. She recorded the number of leaves on her plant on various days (LOBF: y = 2.25x + 13) ). How many leaves should she expect on the 32nd day?
85 Leaves
