Practice How Arithmetic Mean Is Calculated (5.2.1)

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6 sample questions

Question 1.
Calculate the arithmetic mean of the following numbers: 5, 10, 15.
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Add the values and divide by how many there are.
Question 2.
What is the mean of 12, 18, 24?
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Double-check by summing and dividing.
3Question 3.
What is the correct definition of arithmetic mean?
- A. Sum of values divided by their count.
- B. Largest value in a dataset.
- C. Smallest value in a dataset.
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Remember the essence of finding average is to sum and divide.
4Question 4.
True or False: The arithmetic mean is affected by extreme values.
- True
- False
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Think about how one high or low number can change the average.
Question 5.
Given the data set: 22, 24, 26, 28, 30, calculate the mean. Then, if the value 30 is doubled, what is the new mean?
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Recalculate after altering values.
Question 6.
A teacher recorded grades: 12, 14, 16, 18, 20. If one student scores 30 instead of the highest grade, how does the mean change?
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Carefully track how max score changes the average.

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