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2 years ago

Which equation best represents the line of best fit for the scatterplot? a) y = 2x b) y = 2x + 2 c) y = −2x + 2 d) y = −x + 2

1 answer:

6 0

The equation which best represents the line of best fit for the scatterplot in the image attached below is: B. y = 2x + 2.

<h3>What is a scatter plot?</h3>

A scatter plot refers to a type of graph which uses the cartesian coordinates (x-axis and y-axis) to illustrate the values of two variables, with the resulting points revealing any correlation between the set of data.

Based on the graph attached in the image below, y = 2x + 2 is an equation which best represents the line of best fit for the scatterplot because there is a corellation between the data at this point.

Read more on scatterplot here: brainly.com/question/6592115

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The mean of a dataset is the average of the dataset.

The mean of the sample in the third row is 2.2

The dataset is given as:

5 5 3 0 6 2 2 4 5 2 3 4 3 0 1 4 0 4 3 6

From the complete question, the samples in the third row are:

Sample: 3 4 3 0 1

The mean of a dataset is calculated using:

$\bar x = \frac{\sum x}{n}$

Where:

n = 5 i.e. the number of samples

So, we have:

$\bar x = \frac{3 + 4 + 3 + 0 + 1}{5}$

Add the expressions in the numerator

$\bar x = \frac{11}{5}$

Divide 11 by 5

$\bar x = 2.2$

Hence, the mean of the sample in the third row is 2.2

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Answer:

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