Mancosa Adbm Statistical Techniques in Business KCQ revision
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Course
Statistical Technique in Business
Institution
Management College Of Southern Africa (MANCOSA)
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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