BSP 26W1-Practical 1.pdf
Organize the data using the appropriate technique, hence determine:
a) The relative frequencies.
b) The percentages.
Plot the bar graph of the data and comment.
5. Suppose the data below represents the salaries of all the company's 10 employees.
Position of employee Salary (R)
CEO 43000
Director 39000
General manager 30000
Manager 23000
Ass. Manager 20000
Coordinator 15000
Ass. Coordinator 10000
Personal assistant 9000
General worker 6500
General worker 6500
Determine the value of:
The mode.
The median.
The arithmetic mean.
The snow depth at Cape Point in the Snowy Mountains was measured (to the nearest
centimetre) for twenty-five days and recorded as follows:
242, 228, 217, 210, 253, 239, 266, 242, 251, 240, 223, 219, 246, 260, 258, 225, 234, 230, 249, 245,
254, 243, 235, 231, 257.
Represent the data using the stem and leaf technique.
Group the data using the Sturge's formula, hence:
a) Plot the histogram and determine the type of distribution.
b) Plot the polygon.
c) Plot the less than and more than ogives.
Calculate the value of:
a) The mode.
b) The median.
c) The Arithmetic mean.
N.B: ANSWER ALL THE QUESTIONS