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Published on: 03/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Business Maths Subject - Applied Statistics, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Business Maths and Statistics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
Fine data relating to x and yare to be fit in a straight line. It is found that Σx = 0 and Σy = 15. Then the y- intercept of the line is_____
1
2
3
42
2.
In a line of best fit y = 5.8 (x - 1994) + 41.6, the value of y when x = 1997 is _____
50
54
59
60
3.
The normal equations for estimating a and b so that the line y = ax + b may be the line of best fit are __________
aΣx2 + bΣx = Σxy, aΣx + nb = Σy
aΣx + bΣx2 = Σxy, aΣx2 + nb = Σy
aΣx + nb = Σxy, aΣx2 + bΣx = Σy
aΣx2 + nb = Σxy, aΣx + bΣx = Σy
4.
An additive model of time series with the components T, S, C and I is __________
y = T + S + C - I
y = T + S x C + I
y = T + S + C + I
y = T + S + C x I
5.
Most frequently used index number formulae are_____
weighted
unweighted
fixed weighted
none of these
6.
The causes leading to vast variation in the specification of a product are usually due to _____
random process
assignable causes
non-traceable causes
all the above
7.
Variation due to assignable causes in the product occur due to, _____
faulty process
carelessness of operators
poor quality of raw material
all the above.
8.
Chance variation in the manufactured product is __________
controllable
not controllable
both (a) and (b)
none of these
9.
Most commonly used index numbers are _________ index number
diffusion
price
value
none of these
10.
Index numbers are expressed in terms of __________
percentages
ratios
absolute value
all the above
11.
Index number is a __________
Measure of relative changes
Special type of an average
a percentage relative
all the above
12.
A decline in the sales of ice cream during November to March is associated with __________
Seasonal variation
Cyclical variation
random variation
Secular trend
13.
The terms prosperity, recession, depression and recovery are in particular attached to __________
Secular trend
Seasonal fluctuation!
Cyclic movements
irregular variation
14.
Cyclic variations in a time series are caused by __________
Lock out in a factor
war
floods
none of above
15.
The component of a time series which is attached to short term fluctuations is __________
Seasonal variations
Cyclic variation
Irregular variation
all the above
1.
(c)
3
2.
(c)
59
3.
(a)
aΣx2 + bΣx = Σxy, aΣx + nb = Σy
4.
(c)
y = T + S + C + I
5.
(a)
weighted
6.
(b)
assignable causes
7.
(d)
all the above.
8.
(d)
none of these
9.
(d)
none of these
10.
(a)
percentages
11.
(d)
all the above
12.
(a)
Seasonal variation
13.
(c)
Cyclic movements
14.
(d)
none of above
15.
(d)
all the above
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Tamilnadu Stateboard 12th Standard Subjects
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Business Maths and Statistics
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History
Computer Applications
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Computer Science
Business Maths and Statistics
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