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When using the mean: the variance or standard deviation.

When using the median: the range or inter-quartile range.

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โˆ™ 2016-01-07 10:46:27
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Which measure of variation is appropriate when using the mean and which is appropriate when using the median?
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Related questions

Which measure of variation is appropriate when using the mean?

The variance or standard deviation.


What are the criteria for choosing measure of central tendency and measure of variation?

Central tendency is measured by using the mean, median and mode of a set of numbers. Variation is measured by using the range, variance and standard deviation of a set of numbers.


What is an advantage of using the range as a measure of variation?

It is simple to calculate.


Why do you need to measure physical quantities and express them using the appropriate units?

to know what is the measure


The Pearsons Coefficient of Skewness is a measure of what?

It is a descriptive statistical measure used to measure the shape of the curve drawn from the frequency distribution or to measure the direction of variation. It is a measure of how far positively skewed (below the mean) or negatively skewed (above the mean) the majority (that's where the mode comes in) of the data lies. Useful when conducting a study using histograms. (mean - mode) / standard deviation. or [3(Mean-Median)]/Standard deviation


How do you calculate the median using Excel?

The median can be calculated using the Median function. Assuming the values you wanted the median of were in cells B2 to B20, you could use the function like this: =MEDIAN(B2:B20)


What is an advantage to using the median when examining a set of data?

The median or mode should be used instead of the mean in distributions with extreme outliers. In such cases, the mean can be a misleading measure of central tendency and the median value or the mode value are typically more accurate measures.


Would you measure a swimming pool using kilometers?

Not normally because meters would be more appropriate


How do you get the answer using median?

Put all the numbers in order and the median is the number that is in the middle!


How do you calculate standard deviation using median?

You cannot because the standard deviation is not related to the median.


What is the appropriate unit to measure dressing on salad?

Salad dressing is commonly measured using a tablespoon-size measuring spoon.


What instrument is used to measure snow?

The depth of Snow is measured using a metric or imperial rule or tape measure. However snow is frozen rain and one can also measure the amount of water involved in an appropriate cylinder of the snowfall using a rain gauge.

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