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Business Analytics For Management Decision

Total questions: 75

Worksheet time: 4hrs 23mins

Name
Class
Date
1.

Which is not a part of analytics?

a)

Big data

b)

Neural Networks

c)

Artificial intelligence

d)

None of these

2.

Which is a part of Analytics

a)

Variable

b)

Normalization

c)

Standardization

d)

All of these

3.

What is the range of the series:100,100,100,100,100,100

a)

100

b)

150

c)

200

d)

None of these

4.

Which is not a classification of analytics

a)

Testing

b)

Variable

c)

Constant

d)

None of these

5.

Calculate the arithmetic mean of the series:14,15,16,17,18

a)

19

b)

13

c)

20

d)

None of these

6.

Which is not a part of business analytics?

a)

Data

b)

Variables

c)

Techniques

d)

None of these

7.

Variance is the difference between

a)

mode and median

b)

median and mode

c)

mode and mode

d)

None of these

8.

Which is not part of descriptive analytics

a)

Mean

b)

Variance

c)

Skewness

d)

None of these

9.

The standard deviation of the series (12,12,12,12,1,2,12,12)

a)

12

b)

13

c)

22

d)

None of these

10.

What is the range of the series (112,112,112,112,112,112,112)

a)

122

b)

113

c)

111

d)

None of these

11.

Which has high mean

a)

X

b)

Y

c)

Both are equal

d)

None of these

12.

The mean and mode difference of a data is:

a)

Variance

b)

Covariance

c)

Correlation

d)

None of these

13.

Which is not a part of data

a)

Countable

b)

Visible

c)

Workable

d)

None of these

14.

Variance is otherwise called

a)

Mean

b)

Median

c)

Mode

d)

None of these

15.

Which is part of constant?

a)

High variance

b)

High mean

c)

High covariance

d)

None of these

16.

A distribution is called normal if?

a)

Mean=Median=Mode

b)

Mean<Median<Mode

c)

Mean>Median>Mode

d)

None of these

17.

Under graphics, normal distribution is observed through

a)

Frequency polygon

b)

Line plotting

c)

Waterfall

d)

None of these

18.

The trend of this distribution is: (12,12,12,12,12,12)

a)

Uniform distribution

b)

Binomial

c)

Poison

d)

None

19.

The above graph helps to report:

a)

Normality

b)

Covariance

c)

Correlation

d)

None

20.

The above figure reflects

a)

An increasing function

b)

A decreasing function

c)

A constant function

d)

None of these

21.

The above graph reflects

a)

Frequency is low for solder bridge.

b)

Decreasing Trend

c)

Constant pattern

d)

None of these

22.

Which statics is the odd:

a)

Mean

b)

Variance

c)

Covarinace

d)

Correlation

23.

The above figure reflects

a)

Variance in data

b)

No variance in data

c)

Cannot say

d)

None

24.

The sum of deviation of the item from the arithmatic mean

a)

Zero

b)

Infinite

c)

Positive value

d)

None

25.

Which is different in the below given options

a)

Regression

b)

Mean

c)

Mode

d)

Range

26.

Which is not part of analytics software?

a)

P

b)

CATS

c)

RATS

d)

MATLAB

27.

This graph can ensure which of the following?

a)

Distribution shows a pattern

b)

Variance is infinite

c)

Covariance is highest

d)

None of these

28.

Which of the following is a good indicator of a series

a)

Variance

b)

Mean

c)

Harmonic mean

d)

None

29.

Which is not correct in this graph?

a)

Variance is zero

b)

Increasing trend

c)

Mean is positive

d)

None

30.

This graph reflects?

a)

A non linear function

b)

Linear

c)

Polynomial of degree two

d)

None

31.

Which is not part of probability?

a)

Equal likely

b)

Range

c)

Quartrile

d)

None

32.

Which is part of probability?

a)

Value is always positive

b)

Negative value

c)

Zero always

d)

None

33.

In analytics, which is even:

a)

Variance

b)

Constant

c)

Zero range

d)

None

34.

Skewness of this series(15,15,15,15,15,15)is

a)

0

b)

15

c)

5

d)

NOne

35.

Which is normal in probability theory?

a)

Sum of probability is one.

b)

Sum of probability is negative.

c)

Sum of probability is infinite.

d)

None.

36.

This plotting depicts the variance is equal to?

a)

Positive sum.

b)

Zero sum.

c)

Negative sum.

d)

None

37.

The below figures reflect:

a)

Mean investment is high during normal.

b)

Mean investment is under zero.

c)

Cant say

d)

None

38.

Nature of probability is:

a)

Normalization

b)

Visualization

c)

Depends on time

d)

None

39.

If X and Y are highly independent, the E(X and Y):

a)

Zero

b)

Positive

c)

Negative

d)

None

40.

The value of marginal probability

a)

Between zero and one.

b)

Between 0 and 100

c)

Between 0 and 200.

d)

Between 0 and 500.

41.

Which player is efficient?

a)

Cant say

b)

Mak

c)

Max

d)

None

42.

Which is correct

a)

Positive mean

b)

Negative mean

c)

Cant say

d)

None

43.

The product of two probabilities is

a)

Between one and zero

b)

Negative

c)

100

d)

None

44.

Give P(X)=1.4, P(Y)=0.23,P P(XY)=0.25. Find P(XIY)P\left(X\cap Y\right)=0.25.\ Find\ P\left(XIY\right)

a)

No correct structure

b)

1.45

c)

1.12

d)

None

45.

Which is not a discreet distribution:

a)

Binomial

b)

Normal

c)

Exponential

d)

None

46.

Workout the mean of this distribution:

a)

12

b)

16

c)

25

d)

None

47.

Workout the covariance of this series

a)

26

b)

15

c)

00

d)

None

48.

If x is random variable with n=42 and p=2.5,find out the mean of x in a binomial distribution:

a)

15

b)

25

c)

26

d)

None

49.

What is the relationship between mean, median and mode in the below shape

a)

Zero

b)

Negative

c)

Cannot say

d)

Equal

50.

In a poison distribution, the probability value will lie between:

a)

0 and 100

b)

0 and inifinte

c)

0 and 500

d)

None

51.

The population mean of normal distribution is equal to

a)

a

b)

c

c)

\sum_{ }^{ }

d)

μ\mu

52.

Under normal distribution area is

a)

Unknown

b)

Infinite

c)

Negative

d)

Equal to 1

53.

If P(M)=15; P(N)=45;P(NlM)=0.27. Find P(M U N).

a)

15

b)

13

c)

12

d)

None

54.

Under which theorem if n is substantially large, every distribution close to normal distribution

a)

Demand

b)

Supply

c)

CAPM

d)

None

55.

In ant probability distribution, p value is always:

a)

greater than zero

b)

negative and less than zero

c)

Zero

d)

None

56.

Which is true in this series

a)

Covariance is zero.

b)

Correlation is zero.

c)

Variance is zero.

d)

None.

57.

For P(M)=-780,P(N)=58. Find P(M U N)

a)

78

b)

58

c)

20

d)

None

58.

Find the variance of the series.

a)

0

b)

1

c)

0.10

d)

Cant be obtained

59.

Under continuous probability distribution, what is true:

a)

Probability value should be between 10 and 100

b)

Probability value should be between 1 and 10

c)

Probability value should be between 1o and 1

d)

Probability value should be between o and 1.

60.

For discrete probability distribution, the sum of probability is?

a)

0

b)

100

c)

10

d)

None

61.

The binomial distribution is:

a)

discrete

b)

Continuous

c)

Both discrete and continuous

d)

None

62.

The shape of normal distribution is?

a)

Bell shaped

b)

Cone

c)

Rectangular

d)

None

63.

The z statistics is associated with?

a)

Normal

b)

Poison

c)

Binomial

d)

None

64.

Under the central limit theorem, t-distribution can coverage to,

a)

Normal

b)

Bimodal

c)

Flatter

d)

Discrete

65.

The table t value associated with 27 degrees of freedom and used to compute a 95% confidence interval is:

a)

None

b)

1.26

c)

5.35

d)

2.16

66.

Under normal distribution, parameters are?

a)

μ and σ\mu\ and\ \sigma

b)

a and b

c)

μ and a\mu\ and\ a

d)

μ and b\mu\ and\ b

67.

The degree of freedom depends on?

a)

Sample size and number of variable in the model

b)

Only sample size

c)

Only variable

d)

None

68.

Under normal distribution, if the population standard deviation is not known, then it should be estimated with:

a)

None

b)

Sample correlation

c)

Sample range

d)

Sample covariance

69.

If lambda( λ\lambda )=25/mins on a poison distribution, the mean( μ\mu ) is

a)

100

b)

115

c)

113

d)

None

70.

The table t stat associated with 54 degrees of freedom and used to compute a 90% confidence interval is:

a)

None

b)

0.23

c)

0.33

d)

0.43

71.

Using the below ANOVA table, Find the value of f

a)

None

b)

2.22

c)

2.30

d)

2.45

72.

Which the sample of 122,122,122 and 122 the critical chi square value is

a)

None

b)

222

c)

333

d)

444

73.

With the sample of 35, 35,35 and 35, calculate the t stat

a)

None

b)

45

c)

46

d)

48

74.

What is the value of TSS here:

a)

None

b)

8.8

c)

8.5

d)

None

75.

From the given ANOVA table, the value of F is?

a)

None

b)

12

c)

02

d)

None