Practice Summary (8) - Descriptive Statistics - IB 10 Mathematics

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9 questions

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6 sample questions

Question 1.
Define qualitative data and give an example.
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Think about categories without numbers.
Question 2.
What is the mean, median, and mode of the data set 1, 2, 2, 3?
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Calculate the average for mean; arrange for median.
3Question 3.
What is descriptive statistics primarily concerned with?
- Summarizing and describing data
- Analyzing probabilities
- Predicting future events
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Think about the purpose of this statistical branch.
4Question 4.
True or False: The mode is the average of a data set.
- True
- False
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Recall the definitions of mean and mode.
Question 5.
You have the following test scores for a class: 76, 85, 90, 92, 95. Calculate the mean, median, and mode.
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Organize the data first and use the definitions of each measure.
Question 6.
A school has a box plot showing the following values: minimum = 50, Q1 = 60, median = 70, Q3 = 80, maximum = 90. What is the range and the interquartile range?
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Range uses min and max; IQR uses Q3 and Q1.

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