Class: SS2A &B
Topic: Graphical Representation of data
Sub- Topic: Histogram
Date of Submission: Monday 11th May 2020
Introduction: Histogram is a graphic display of frequency distribution. It is plotted frequency on the y- axis against upper class boundary or class interval on the x-axis for grouped data.
It can be used for both ungrouped and grouped data.
N/B: For in depth understanding, consult ur New General Maths for SS2
- The table below gives the distribution of marks of 50 students in an examination.
|Mark (%)||20-29||30 -39||40-49||50- 59||60- 69||70 -79|
|Number of student||4||7||20||9||6||4|
- Calculate the mean mark
- Draw a histogram for the distribution.
- Use your histogram to estimate, correct to 1 dp, the mode
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Submit on Monday 11th May 2020 at the security post between 8am to 10am