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Calculation for Continuous Series or Grouped Data
=
where,
m = mid-point of class = f = frequency of each class
m
f
N = = total frequency
A security analyst studied a hundred companies and obtained the following distribution for the dividend declared by these companies during the year 2002. Calculate the average dividend.
Dividend declared (in percentage)
0-8
8-16
16-24
24-32
32-40
No. of companies (f)
12
20
25
28
15
Dividend declared
Mid-point (m)
fm
4
48
240
500
784
36
540
Total
100
2112
Thus, the average dividend is 21.12 percent.
The box plot displays the diversity of data for the income; the data ranges from 20 being the minimum value and 1110 being the maximum value. The box plot is positively skewed at 4
The first step in this case is to ensure that you are adequately clear on the General Linear Model and its relationship to both ANOVA and regression. The distinction is approxim
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Question 3 25 marks Your employer, Quick Hit Agency (QHA), is a debt collections agency. The company specializes in collecting small accounts. QHA does not deal in large accounts
difference between large sample test and small sample test
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Stratified Random Sampling: This method of sampling is used when the population is comprised of natural subdivision of units, The method consist in classifying the population u
Arithmetic Average or Mean The arithmetic mean is the most widely and the most generally understandable of all the averages. This is clear from the reason that when the term
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