Statistics
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Collection and Presentation of Data
SubtopicCollection and Presentation of Data under Statistics for Grade 9 CBSE.
Preview questions (no answers)
- 1.
If the range of a dataset is 45 and the maximum value is 90, the minimum value is:
A.135
B.45
C.90
D.50
- 2.
What is the class mark of the interval ?
A.0
B.25
C.50
D.10
- 3.
To convert an inclusive frequency distribution () into an exclusive one, what value is usually subtracted from the lower limit?
A.1
B.0.5
C.0.1
D.0
Download the worksheet for Statistics - Collection and Presentation of Data to practice offline. It includes additional chapter-level practice questions.
Graphical Representation of Data (Bar graphs, Histograms, Frequency Polygons)
SubtopicGraphical Representation of Data (Bar graphs, Histograms, Frequency Polygons) under Statistics for Grade 9 CBSE.
Preview questions (no answers)
- 1.
If the class intervals are , what is the class size?
A.10
B.20
C.30
D.40
- 2.
In a frequency polygon, we connect the points with:
A.Dotted curves
B.Straight line segments
C.Circular arcs
D.Horizontal lines
- 3.
Which of the following is NOT a type of graphical representation of data?
A.Bar Graph
B.Histogram
C.Frequency Polygon
D.Tally Marks Table
Download the worksheet for Statistics - Graphical Representation of Data (Bar graphs, Histograms, Frequency Polygons) to practice offline. It includes additional chapter-level practice questions.