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emmainna [20.7K]
3 years ago
8

What is square formula ?

SAT
1 answer:
Fantom [35]3 years ago
7 0

Square and formula

See the picture

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Find the residual values, and use the graphing calculator tool to make a residual plot.
finlep [7]

Answer:

  • No, the points are evenly distributed about the x-axis.

Explanation:

<u>1. Write the table with the data:</u>

  x      given     predicted       residual

  1       - 3.5         - 1.1

  2      - 2.9           2

  3       - 1.1            5.1

  4        2.2           8.2

  5        3.4           1.3

<u>2. Complete the column of residuals</u>

The residual is the observed (given) value - the predicted value.

  • residual = given - predicted.

Thus, the complete table, with the residual values are:

  x      given     predicted       residual

  1       - 3.5         - 1.1                 - 2.4

  2      - 2.9           2                  - 4.9

  3       - 1.1            5.1                - 6.2

  4        2.2           8.2               - 6.0

  5        3.4           1.3                   2.1

<u>3. Residual plot</u>

You must plot the last column:

  x      residual

  1       - 2.4

  2      - 4.9

  3       - 6.2

  4       - 6.0

  5        2.1

See the plot attached.

<em>Does the residual plot show that the line of best fit is appropriate for the data?</em>

Ideally, a residual plot for a line of best fit that is appropiate for the data must not show any pattern; the points should be randomly distributed about the x-axis.

But the points of the plot are not randomly distributed about the x-axis:  there are 4 points below the x-axis and 1 point over the x-axis: there are more negative residuals than positive residuals.  This is a pattern. Also, you could say that they show a curve pattern, which drives to the same conclusion: the residual plot shows that the line of best fit is not appropiate for the data.

Thus, the conclusion should be: No, the points have a pattern.

  • 1. "<em>Yes, the points have no pattern</em>": false, because as shown, the points do have a pattern, which makes the residual plots does not show that the line of best fit is appropiate for the data.

  • 2. "<em>No, the points are evenly distributed about the x-axis</em>": true. As already said the points have a pattern. It is a curved pattern, and this <em>shows the line of best fit is not appropiate for the data.</em>

  • 3. "<em>No, the points are in a linear pattern</em>": false. The points are not in a linear pattern.

  • 4. "<em>Yes, the points are in a curved pattern</em>": false. Because the points are in a curved pattern, the residual plot shows that the line of best fit is not appropiate for the data.

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3 years ago
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At the circle justice meeting, who's voice made
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Jajajsjjsjsjsjsjsjjsjsisisisisi
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Cual es la diferencia entre estas imagenes?
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Las imagines son claro
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_____tend to have a narrow span of control, whereas _____ have a wide span of control.
goblinko [34]

Answer:

Hello!

1. Large organizations

2. Smaller organizations

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A single-price monopolist is a monopolist that sells each unit of its output for the same price to all its customers. In maximiz
topjm [15]

In maximizing profits (or minimizing loss), a single-price monopolist will charge a price that is greater than the marginal cost.

<h3>Who is a monopolist?</h3>

A monopolist is usually a term used to refer to a business entity that solely controls the market of a certain product or service without any competitor. In the case of a single-price monopolist, if they charge a price that is greater than marginal cost is the most viable option to maximize profit.

You can learn more about a monopolist here brainly.com/question/13113415

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