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3 cards from this section. Quick, good the night before a test.
What is the mean of the following rainfall data: [10 mm, 20 mm, 30 mm]?
Add all numbers and divide by the total count.
What is the mode of the dataset: [5 mm, 5 mm, 10 mm, 15 mm]?
Find the most frequently occurring value.
What is the average value of a dataset called?
It represents the total average.
True or False: A high standard deviation indicates that data points are closely clustered around the mean.
Think about how spread apart the values are.
Given a rainfall dataset: [15 mm, 20 mm, 25 mm, 30 mm, 50 mm], calculate mean, standard deviation, skewness, and interpret the data.
First find the mean, then assess variations from this point.
Analyze the rainfall data: [5 mm, 15 mm, 25 mm, 30 mm, 70 mm] and discuss the implications of its kurtosis being 3.5.
Consider how pointy the data shape looks compared to normal.
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