Practice Continuous Series (5.2.1.2.2) - Measures of Central Tendency

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a continuous series?
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Think about how data can be shown in ranges.
Question 2.
Define midpoint.
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How do you find the middle of a range?
3Question 3.
What is a continuous series?
- A series of individual values
- Data grouped by intervals
- Data with no intervals
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Think of how we group age ranges.
4Question 4.
The arithmetic mean is calculated as?
- Sum of frequencies
- Σfm / total frequency
- The midpoint of midranges
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What do you sum up to find?
Question 5.
Given the class intervals of 0-20 (frequency 15), 20-40 (frequency 25), how do you compute the mean?
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Use the defined formula for mean!
Question 6.
In a dataset with varying frequencies, ensure you use the step deviation method to find the mean of data organized into intervals like 15-25 with frequency 8, and then group it.
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Start by calculating the deviations correctly!

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