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notka56 [123]
3 years ago
8

PLEASEE HELP!! NUMBER 4!!

Mathematics
1 answer:
Illusion [34]3 years ago
8 0
?????????????????????/ us a calculator to add up all the nub.
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The means and mean absolute deviations of sidney’s and phil’s grades are shown in the table below. means and mean absolute devia
DochEvi [55]

The expression that represents the ratio of the difference of the two means to Sidney’s mean absolute deviation is given by: Option B: 4/3.28

<h3>What is mean absolute deviation?</h3>

Mean absolute deviation is the average of the absolute deviation of each observation from their mean, for a considered set of observations.

For this case, the table of mean and mean absolute deviation is given as:

\begin{array}{ccc}&Mean&M.A.D.\\\text{Sidney}&82&3.28\\\text{Phill}&78&3.96\end{array}

(M.A.D refers to Mean Absolute Deviation).

So, difference in their mean is 82 - 78 = 4

Absolute deviation  for Sidney is 3.28

Thier ratio is: 4/3.28

Thus, the expression that represents the ratio of the difference of the two means to Sidney’s mean absolute deviation is given by: Option B: 4/3.28

Learn more about ratio here:

brainly.com/question/12106245

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2 years ago
(15–7xy^2)–(y^3–y^2x–15)
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The monthly rent of Marilyn's house went from $500 to $440, If p is the
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ira [324]

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Step-by-step explanation:

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A study of king penguins looked for a relationship between how deep the penguins dive to seek food and how long they stay underw
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Answer:

b = 0.0138

Step-by-step explanation:

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The equation of regression is of the form

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Where b represents the slope;

Compare Y =  a + bX to the given equation

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