Lesson 3.1.4.9.4
3.1.4.9.4 Descriptive statistics: mean, median, mode and range Quiz: AQA Psychology, Unit 4
20 questions
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Lesson 3.1.4.9.4, Descriptive statistics: mean, median, mode and range: 20 multiple choice questions for the AQA GCSE Psychology (8182), Unit 4: Research methods, written with Revision Ninja.
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The 20 questions
-
Which measure of central tendency is the most common value in a data set?
- Median
- Mean
- Range
- Mode
-
What is the range of the scores 4, 9, 12 and 7?
- 9
- 12
- 4
- 8
-
What is the median of 3, 8, 5, 9 and 1?
- 5
- 3
- 9
- 8
-
What is the mean of 2, 4, 6 and 8?
- 20
- 5
- 4
- 6
-
Which is the best measure of average when a data set contains one extreme outlier?
- Total
- Mean
- Range
- Median
-
What is the mode of 2, 3, 3, 5, 7, 3 and 5?
- 4
- 5
- 3
- 7
-
What does the range measure in a set of quantitative data?
- Most frequent value
- Central tendency
- Spread of scores
- Middle score
-
Which measure is calculated by adding all values and dividing by the number of values?
- Mode
- Mean
- Range
- Median
-
Ten scores are 2, 3, 3, 4, 5, 6, 6, 6, 9 and 10. What is the mode?
- 6
- 10
- 3
- 5
-
Four values are 7, 1, 9 and 3. What is the median?
- 3
- 4
- 5
- 7
-
Which descriptive statistic is least affected by an extreme outlier?
- Range
- Total sum
- Mean
- Median
-
Five scores have a mean of 12, and four of them sum to 40. What is the fifth score?
- 20
- 28
- 12
- 10
-
Scores are 14, 9, 22, 17 and 9. What is the range?
- 13
- 14
- 9
- 22
-
A researcher wants the most common answer to a closed question with categories. Which measure should be used?
- Mean
- Median
- Mode
- Range
-
Two data sets share the same mean but have very different ranges. What does this indicate?
- Identical medians
- Different central values
- Matching sample sizes
- Different score spread
-
Which two descriptive statistics are typically reported together to describe a data set?
- Median and sum
- Mode and total
- Range and frequency
- Mean and range
-
What is the median of an odd-numbered dataset?
- Middle value
- Most frequent value
- Highest value
- Mean value
-
What does a mean higher than the median suggest?
- Positive skew
- Normal distribution
- Negative skew
- Zero variance
-
What is the mean of 12, 15, 18 and 21?
- 15
- 18
- 17
- 16.5
-
Which measure of central tendency uses all of the values in the data set?
- Mode
- Frequency
- Median
- Mean
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