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3 cards from this section. Quick, good the night before a test.
What is the mean of the values 10, 20, 30?
Add the values and divide by the count.
What is the mode of the dataset 1, 2, 2, 3, 4?
Identify the number that appears most frequently.
What is the formula for calculating the mean?
Remember the calculation involves division by the count of values.
True or False: The mode can have multiple values in a dataset.
Consider how frequently different numbers appear in a dataset.
A group of students scored as follows on a test: 75, 85, 95, 100, 100, 105. Calculate the mean, median, and mode. Discuss why knowing all three is important.
Remember to organize data for median.
In a survey about preferred fruits, the results were: Apple, Banana, Apple, Orange, Banana, Banana, Grape. Analyze the data for mean, median, and mode, considering the fruit quantities represent each fruit's popularity.
Categorical responses often don’t have numerical averages.
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