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Kamila [148]
3 years ago
12

What factor should be considered when choosing between the median or mean as a description of the "center" of a data set?

Mathematics
1 answer:
kolezko [41]3 years ago
8 0
You should look for outliers. If there is an outlier then you should use median because if you use mean the data would be skewed.
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A researcher is estimating the mean income of residents in a large city. The income variable is usually skewed to the right. She
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Answer: We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.

Step-by-step explanation:

We know that a 95% confidence interval given an interval of values that we can be 95% sure , that it contains the true mean of the population, not 95% of data lies in it.

Given : A researcher is estimating the mean income of residents in a large city. The income variable is usually skewed to the right. She collects a random sample of 25 people.

The resulting 95% confidence interval is ($26700, $35400).

Then, valid conclusion will be :  We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.

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2 years ago
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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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3 years ago
Use Vieta's Theorem to solve the problems.
VladimirAG [237]

Answer:

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Step-by-step explanation:

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3 years ago
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guapka [62]

9514 1404 393

Answer:

  d = 3√10 ≈ 9.487

Step-by-step explanation:

The distance formula is appropriate.

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