Practice Finding The Median (13.4.1) - Statistics

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6 sample questions

Question 1.
What is the median of the following data set: [10, 20, 30, 40, 50]?
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Count the values and find the middle.
Question 2.
Determine the median for the grouped data: 0-10: 2, 10-20: 3, 20-30: 5.
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Find the cumulative frequency.
3Question 3.
What does the median represent in a data set?
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Think of how you find the middle number.
4Question 4.
True or False: The median is affected by extreme outliers in a dataset.
- True
- False
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Consider what happens to a sequence with extreme values.
Question 5.
A survey of student ages in a class yields the following frequency: 10-20 (2), 20-30 (4), 30-40 (8). Find the median age, explaining each step taken.
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Start by creating your cumulative frequency table.
Question 6.
In a grouped data of daily sales [0-100 (3), 100-200 (7), 200-300 (10)], calculate the median and analyze its significance.
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Remember to establish which class is the median class before calculating.

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