Answer:
r = -31
Step-by-step explanation:
The picture is how I solved it.
In first grade, Rebecca's school lunch cost $2.50. By seventh grade the cost of lunch increased By 75%
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Based on the line of best fit, the length of this catfish can be predicted to be 38 inches.
<u>Given the following data:</u>
- Weight of catfish, x = 40 pounds.
A line of best fit is also referred to as a trend line and it can be defined as a statistical (analytical) tool that is used in conjunction with a scatter plot, in order to determine whether or not there's any correlation between a data.
From the graph of the data, we have the following linear equation:
Substituting the value of x, we have:
y = 38 inches.
Read more on scatterplot here: brainly.com/question/6592115
