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3 years ago

Which measure of central tendency is least representative of the data set shown?

Mathematics

2 answers:

Svet_ta [14]3 years ago

7 0

The mean is least representative of the data shown

White raven [17]3 years ago

7 0

Answer:

Mean

Step-by-step explanation:

The given data set is:

2, 2, 3, 4, 5, 32

The measures of central tendency of the given data set are mean, median and mode. Now, it can be seen from data set that there is the presence of an outlier 32 in the given data set, which results to the skewing of the mean.

Thus, mean is the least representative of the data set given.

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What part of the story does this portion of the graph represent?

NeX [460]

Answer:

Step-by-step explanation:

Area of the Velocity-Time graph gives the displacement of the motion .

3 0

3 years ago

It is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken to estimate

Hitman42 [59]

Answer:

The minimum sample size is n = 75 so that the desired margin of error is 5 or less.

Step-by-step explanation:

We are given the following in the question:

Population variance = 484

Standard deviation =

$\sigma^2 = 484\\\sigma =\sqrt{484} = 22$

Confidence level = 0.95

Significance level = 0.05

Margin of error = 5

Formula:

Margin of error =

$E = z\times \dfrac{\sigma}{\sqrt{n}}\\\\n = (\dfrac{z\times \sigma}{E})^2$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting values, we get

$E\leq 5\\\\1.96\times \dfrac{22}{\sqrt{n}} \leq 5\\\\\sqrt{n} \geq 1.96\times \dfrac{22}{5}\\\\n \geq (1.96\times \dfrac{22}{5})^2\\\\n \geq 74.373$

Thus, the minimum sample size is n = 75 so that the desired margin of error is 5 or less.

3 0

3 years ago

Venus Waldo reviewed her account statement and wanted to verify that the interest amount was correct. Her new balance was $12,09

user100 [1]

Answer:

The interest on the savings account is $46.47

Step-by-step explanation:

Here, we want to know the interest earned on the savings account.

The difference between the new and previous balance will be; 12,098.12 - 9,053.20 = $3,044.92

The difference between amount deposited and amount withdrawn is 3,298.45 - 300 = 2,998.45

This is the amount that is supposed to be on the account without interest

So the interest earned would be; 3044.92 - 2,998.45 = $46.47

3 0

3 years ago

Which one is bigger?<br>|-4| □ |-6|

Genrish500 [490]

Answer:

hello

Step-by-step explanation:

there is my answer

hope it helps

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3 years ago

Factor 3y3 – 9y2<br> The factored polynomial is

allochka39001 [22]

Answer:

Factor 3y23y2 out of 3y33y3.

3y2(y)−9y23y2(y)-9y2

Factor 3y23y2 out of −9y2-9y2.

3y2(y)+3y2(−3)3y2(y)+3y2(-3)

Factor 3y23y2 out of 3y2(y)+3y2(−3)3y2(y)+3y2(-3).

3y2(y−3)

Step-by-step explanation:

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3 years ago