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3 cards from this section. Quick, good the night before a test.
Define the terms 'population' and 'sample'.
Think of how you would collect data.
What is the mean in statistics?
What do you do to find an average?
What is a population in statistics?
Consider what is included in a full study.
True or False: The mode is always affected by outliers.
What does mode represent?
You have the following data on temperature and ice cream sales: (70, 100), (75, 150), (80, 200). Use regression to estimate sales based on temperature.
Recall how to compute the slope and use given pairs.
A dataset contains 100 measurements taken from a sensor, with values mostly clustering between 50 and 60 but including outliers at 10 and 100. Calculate the mean, median, and mode.
Ensure you understand how to handle outliers for accurate statistics.
5 more questions in this section. Enroll free to practise them all.
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