This is Mean Median Mode Range Calculate the data and find the mean.

21, 17, 21, 25, 23, 13

the mean is 20

Explanation: To find the mean, you add all the numbers of the data set. (21+17+21+25+23+13) = 120. Then when you have that answer, you divide it by how many numbers are in the data set (6 numbers). So then it would be 120 divided by 6 = 20.

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yes because a quadrilateral is equal to 4 sides and a rhombus has 4 sides so technacly it is a quadrilateral.

steve should create a type of business report called a business plan. the correct option among the options that are already given in the question is the last or the fourth option. this business report created by steve will actually influence the investors about investing their money in steve's business. this business report will have all the details about the business, the amount of investment required and the amount of expected profit.