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4 cards from this section. Quick, good the night before a test.
What is the mean of the following numbers: 2, 3, 5?
Add the numbers together and divide by how many there are.
Which of the following is not a measure of central tendency? A) Mean B) Median C) Standard Deviation
Recall what central tendency measures.
What is the mean of a dataset?
Recall that the mean is used for averaging.
True or False: The mode can be more than one value.
Consider a dataset where multiple values repeat equally.
A class of 20 students has scores ranging from 10 to 100. If the median score is 75, what can you infer about the distribution of the scores?
Think of how the median divides the dataset into two equal halves.
If a dataset has a standard deviation of 0, what does this indicate about the individual data points relative to the mean?
Consider why variation would be non-existent.
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