Data Collection and Presentation - JSS1 Mathematics Past Questions and Answers - page 1
What type of data representation uses bars to compare different categories?
Bar chart
Line graph
Pie chart
Histogram
Which graph is most suitable for showing trends over time?
Scatter plot
What does each bar in a bar chart typically represent?
A point in a dataset
A category or group
A trend over time
A distribution of values
How does a line graph connect data points?
With bars
With lines
With dots
With curves
Which table summarizes categorical or grouped numerical data?
Frequency table
Pivot table
Data table
Line table
What measure of central tendency is less influenced by outliers?
Mean
Mode
Median
Range
In a frequency table, what does each row typically represent?
Data points
Categories or intervals
Statistical measures
Time intervals
Which statistical graph uses points connected by lines?
Bar chart
Pie chart
Line graph
Scatter plot
What is the purpose of a bar chart?
Showing trends over time
Comparing categories or groups
Displaying relationships between variables
Visualizing distributions
How is the median calculated from a frequency table?
By finding the average of all values
By taking the middle value in the data
By summing all values and dividing by the number of values
By arranging data and finding the middle value