Practice Introduction (13.1) - Statistics

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
Define ungrouped and grouped data.
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Think about how you would sort your socks.
Question 2.
What is the mean of the following numbers: 2, 4, 6?
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Add them together and divide by how many there are.
3Question 3.
What does mean measure in a dataset?
- The middle value
- The most common value
- The average value
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Think of how you calculate your grades.
4Question 4.
True or False: The mode can be more than one value.
- True
- False
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Consider a situation where several students score the same highest marks.
Question 5.
Given a dataset: 10, 20, 30, 40, 50, 60, calculate the mean, median, and mode.
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Follow the definitions for each calculation.
Question 6.
Create and analyze a cumulative frequency table for the data points: 5, 10, 15, 20, which interval would show how many values accumulate less than 15?
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List out values and add frequencies systematically.

4 more questions in this section. Enroll free to practise them all.