Math 1 EOC Review (Statistics/Data)

How do you find the mean of a data set?

• Add all the data values together, then divide by how many values there are.

• Put the numbers in order from least to greatest, then cross out the highest and lowest until you find the middle.

• Figure out which value (or values) appear most often in the data set.

• Subtract the lowest data value from the highest data value.

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How many people purchased no food and no drink?

• 60
• 10
• 20
• 200

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How many people have two or less books in their desk?

• 4
• 5
• 6
• 7

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The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

• The mean would not change

• The mean would go up

• The mean would go down

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What is the first step when creating a box and whisker plot?

• Find the median

• Find the lowest and highest values

• Order the data set

• Find the median of the top and bottom halves

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Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

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How is the data distributed in this histogram?

• Symmetrically

• Skewed Right

• Skewed Left

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How is the data distributed in this histogram?

• Symmetrically

• Skewed Right

• Skewed Left

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What does the standard deviation tell us about the data set?

• How spread out the numbers are

• How much each number in the data set increases by

• How much each number in the data set decreases by

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What is normal distribution?

• A symmetrical bell-shaped graph

• A graph that is skewed to the right

• A graph that is skewed to the left

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