Lesson S2.1.1
S2.1.1 Diagrams for single-variable data Quiz: Pearson Edexcel Maths, Unit 12
20 questions
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Lesson S2.1.1, Diagrams for single-variable data: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 12: Data presentation and interpretation, written with Revision Ninja.
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The 20 questions
-
Which diagram displays individual data values alongside their frequency using stems and leaves?
- Stem and leaf
- Box plot
- Scatter diagram
- Histogram
-
Which chart represents continuous data using adjacent bars proportional to frequency density?
- Frequency polygon
- Bar chart
- Histogram
- Pie chart
-
Which graphical measure displays the median, quartiles, and extreme values?
- Cumulative frequency
- Box plot
- Histogram
- Bar chart
-
What curve is plotted by joining upper class boundaries to cumulative frequencies?
- Frequency polygon
- Stem and leaf
- Histogram
- Cumulative frequency polygon
-
Which summary statistic is represented by the line inside the box on a box plot?
- Mean
- Upper quartile
- Median
- Lower quartile
-
What represents frequency on a standard histogram?
- Area of bar
- Height of bar
- Width of bar
- Total perimeter
-
Which diagram is best for showing the proportion of a whole category?
- Histogram
- Pie chart
- Stem and leaf
- Box plot
-
What connects the midpoints of class intervals at the top of histogram bars?
- Scatter graph
- Cumulative frequency curve
- Box plot
- Frequency polygon
-
If the lower quartile is 12 and upper quartile is 28, what is the interquartile range?
- 16
- 20
- 40
- 14
-
A box plot shows an outlier if a point lies further than how many standard deviations away, or beyond 1.5 x IQR?
- 0.5 x IQR
- 2 x IQR
- 3 x IQR
- 1.5 x IQR
-
Find the median of the dataset: 3, 5, 7, 9, 11, 13, 15.
- 9
- 11
- 7
- 9.5
-
What is the class width if a grouped frequency table has a class interval of 20-29 for continuous data?
- 9
- 5
- 20
- 10
-
If frequency density equals 4 and class width equals 5, what is the frequency?
- 20
- 1.25
- 0.8
- 9
-
If frequency is 15 and class width is 3, what is the frequency density?
- 12
- 18
- 45
- 5
-
What value corresponds to the 50th percentile on a cumulative frequency diagram?
- Median
- Lower quartile
- Mean
- Upper quartile
-
In a positively skewed distribution, which average is typically the largest?
- Mode
- Median
- Mean
- Lower quartile
-
What percentage of data falls below the upper quartile in a box plot?
- 100%
- 75%
- 25%
- 50%
-
If the minimum value is 4 and maximum value is 36, what is the range?
- 16
- 32
- 40
- 20
-
Which single-variable diagram explicitly requires a key to explain its notation?
- Box plot
- Stem and leaf
- Histogram
- Frequency polygon
-
What term describes data that can take any value within a continuous range?
- Continuous data
- Categorical data
- Discrete data
- Qualitative data
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