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When a trend line is drawn on a scatterplot, there are 4 points above the trend line. About how many points should be below the trend line?

2 Answers

4 votes
There is no exact rule for lines of best fit. However, in general, there should be roughly the same amount above as below. So, if we are following this rule, there should be about 4 below as well. 
User Christian Ulbrich
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3 votes

Answer:

The number of points that should lie below the trend line is:

4.

Explanation:

" The general rule of thumb is to have your trend line as close as possible to all data points, and with equal number of points above and below it "

The trend line is also called line of best fit.

It is given that:

When a trend line is drawn on a scatter plot, there are 4 points above the trend line.

Hence, the number of points that should lie below the trend line are:

4.

User Onepiece
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5.5k points