These are past 2022 KCQ questions and answers for Advanced Diploma in Business Management students but if it fits in with your module and you are not a ADBM student then you are welcome to use it .Please rate and review this document
ADBM Statistical Technique in Business KCQ’s_2022 Memo
Cumulative
frequency, f Midpoint, m fm2
Classes frequency
(Height)
(cm)
130<140 7 7 135 127575
140<150 15 B 145 315375
150<160 A 48 155 624650
160<170 12 60 C 326700
Σ 60
Question 1
The value of A is:
Total Frequency = 7 + 15 + 𝐀 + 12
60 = 7 + 15 + 𝐀 + 12
𝐀 = 60 − (7 + 15 + 12)
𝐀 = 60 − (7 + 15 + 12)
𝐀 = 60 − (34)
∴ 𝐀 = 26
The answer is A
Question 2
An example of Quantitative, discrete data is there:
The answer is A
Quantitative variables provide numerical measurements of the elements of the study.
Arithmetic operations such as addition and subtraction can be performed on the
values of the variable.
1|Page
, Discrete variables are countable and can assume a countable number of values,
such as the number of potatoes on the plant. Fractional values can also occur, but
must have distance between them, for example- interest rates and stock prices.
Question 3
Which one of the following data collection method is classically defined as
“manipulation of variables under controlled conditions”?
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