40 points fast for the following set of test scores, identify:

• the mean
• the median
• the mode
• the range
• the interquartile range

50, 55, 70, 75, 82, 82, 90
which measure of center would this student want his teacher to use--the mean or the median? plz fast 40 points

 The measure of center would this student want his teacher to use is the

median

Mean  ,  Mode  , Range and   Interquartile Range

Step-by-step explanation:

Given Data set

Number of elements in data set

To find Mean

The ‘Mean” is the average of a set of numbers.

The "Mean" is computed by adding all of the numbers in the data together and dividing by the number  of elements contained in the data set.

Mean

Mean

Mean

Median

The “Median” is the middle value of a set of ordered numbers.

Therefore Median

Mode

The "Mode" for a set of data is the value that occurs most often.

It is not uncommon for a data set to have more than one mode. This happens when two or more  elements occur with equal frequency in the data set.

Therefore Mode

Range

The "Range" is the difference between the largest value and smallest value in a set of data.

Range

Range

Interquartile Range

The “Interquartile Range” is the difference between smallest value and the largest value of the middle  50% of a set of data.

The "Interquartile Range" is from Q1 to Q3:

To find the interquartile range of a set of data:

The cut the list into four equal parts

. The quartiles are the “cuts”

The interquartile range is the distance between the two middle sets of data

Interquartile Range

Interquartile Range

Interquartile Range

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