Statistics
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Mean, Median, Mode, and Range
SubtopicMean, Median, Mode, and Range under Statistics for Grade 10 IGCSE.
Preview questions (no answers)
- 1.
What is the median of the following list of numbers: ?
A.B.C.D. - 2.
Calculate the mean of the following five numbers: .
A.B.C.D. - 3.
The ages of five friends are and . What is the range of their ages?
A.B.C.D.
Download the worksheet for Statistics - Mean, Median, Mode, and Range to practice offline. It includes additional chapter-level practice questions.
Grouped Data and Histograms
SubtopicGrouped Data and Histograms under Statistics for Grade 10 IGCSE.
Preview questions (no answers)
- 1.
If frequency density = 0.1 and class width = 40, what is the frequency?
A.4
B.40
C.40.1
D.400
- 2.
What is the midpoint of the class ?
A.90
B.100
C.110
D.200
- 3.
If the total frequency is 100, which item represents the median?
A.50th
B.50.5th
C.51st
D.100th
Download the worksheet for Statistics - Grouped Data and Histograms to practice offline. It includes additional chapter-level practice questions.
Cumulative Frequency and Box Plots
SubtopicCumulative Frequency and Box Plots under Statistics for Grade 10 IGCSE.
Preview questions (no answers)
- 1.
If the cumulative frequencies for a distribution are 10, 25, 45, and 60, what is the total frequency ?
A.10
B.45
C.60
D.140
- 2.
Which percentage corresponds to the median in a cumulative frequency distribution?
A.B.C.D. - 3.
What is the position of the upper quartile () for a survey of 400 people?
A.100
B.200
C.300
D.400
Download the worksheet for Statistics - Cumulative Frequency and Box Plots to practice offline. It includes additional chapter-level practice questions.
Scatter Diagrams and Correlation
SubtopicScatter Diagrams and Correlation under Statistics for Grade 10 IGCSE.
Preview questions (no answers)
- 1.
Which correlation type indicates that as the independent variable increases, the dependent variable decreases?
A.Positive correlation
B.Direct correlation
C.Negative correlation
D.Upward correlation
- 2.
Which correlation type indicates that as the independent variable increases, the dependent variable also increases?
A.Positive correlation
B.Negative correlation
C.Zero correlation
D.Decreasing correlation
- 3.
When using a line of best fit to predict a value, what should you do on the graph?
A.Draw a circle around the point
B.Draw a line from the axis to the line of best fit, then to the other axis
C.Draw a line between two random dots
D.Find the average of all dots
Download the worksheet for Statistics - Scatter Diagrams and Correlation to practice offline. It includes additional chapter-level practice questions.