R Programming Mock Test 1 - Online MCQ Exam

Match the following in the term of Terms and Explanation: List-I (Terms) List-II (Explanation) a. $$\frac{{{Z^2} \cdot \sigma _p^2}}{{{e^2}}}$$ 1. Measurement for Kurtosis b. $$\frac{{\left| {\overline {{X_1}} - \overline {{X_2}} } \right|}}{{\sqrt {\sigma _p^2\left( {\frac{1}{{{n_1}}} + \frac{1}{{{n_2}}}} \right)} }}$$ 2. Calculated value of $$F$$ ratio c. $$\frac{{{\mu _4}}}{{\mu _2^2}}$$ 3. Statistical approach to find out the size of sample d. $$\frac{{\sigma _{{s_1}}^2}}{{\sigma _{{s_2}}^2}}$$ 4. Calculated $$z$$ value of mean differences

1 Mark(s)

Your Answer:

a-1, b-2, c-3, d-4 a-1, b-2, c-3, d-4
a-2, b-4, c-3, d-1 a-2, b-4, c-3, d-1
a-3, b-4, c-2, d-1 a-3, b-4, c-2, d-1
a-3, b-4, c-1, d-2 a-3, b-4, c-1, d-2

The process of keeping the materialized view up-to-date is called materialized:

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Your Answer:

View execution View execution
View controlling View controlling
View monitoring View monitoring
View maintenance View maintenance

The counseling and compensation of employees is the part of?

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Your Answer:

Staffing Staffing
Controlling Controlling
Leading Leading
Organizing Organizing

In which age is ‘The Puritan Period’ included ?

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Your Answer:

The Renaissance The Renaissance
The Non-classical The Non-classical
The Romantic The Romantic
The Modern The Modern

Molten NaCl conducts electricity due to the presence of_______________?

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Your Answer:

Free electrons Free electrons
Free molecules Free molecules
Free ions Free ions
Atoms of Na and Cl Atoms of Na and Cl

A region in a longitudinal wave where the particles are closest together is called?

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Your Answer:

Rarefaction Rarefaction
Compression Compression
Crest Crest
Trough Trough

All India Coordinated Vegetable Improvement Project (AICVIP) was started in . . . . . . . . and under this, India is divided into 8 operational zones.

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Your Answer:

1951 - 52 1951 - 52
1970 - 71 1970 - 71
1968 - 69 1968 - 69
1976 - 77 1976 - 77

How may satellite orbital slots are requested by the Philippine Government from ITU?

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Your Answer:

2 2
4 4
6 6
8 8

What is the minimized logic expression corresponding to the given Karnaugh Map?

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Your Answer:

$${\text{xy}}$$ $${\text{xy}}$$
$$\overline {\text{w}} {\text{x}}\overline {\text{y}} + \overline {\text{w}} {\text{yz}} + {\text{w}}\overline {\text{y}} {\text{z}} + {\text{wxy}}$$
$$\overline {\text{w}} {\text{x}}\overline {\text{y}} + \overline {\text{w}} {\text{yz}} + {\text{w}}\overline {{\text{yz}}} + {\text{wx}}\overline {\text{y}} $$
$${\text{xz}} + \overline {\text{w}} {\text{yz}} + \overline {\text{w}} {\text{x}}\overline {\text{y}} + {\text{wxy}} + {\text{w}}\overline {\text{y}} {\text{z}}$$

A process by which new substance is formed, is called:

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Your Answer:

chemical symbol chemical symbol
chemical formula chemical formula
chemical property chemical property
chemical reaction chemical reaction

The construct that returns the value true if the argument subquery is non empty, is said to be:

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Your Answer:

Exists construct Exists construct
Not exist construct Not exist construct
Like construct Like construct
Not Like construct Not Like construct

Which of the following is/are true for an abstract class? 1. A class is declared abstract by prefacing the definition with the word abstract. 2. A class is declare abstract by using the keyword implements. 3. It is a class that really isn’t supposed to ever be instantiated but instead serves as a base class. 4. Attempting to instantiate an abstract class results in an error.

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Your Answer:

Only 2 Only 2
All of the mentioned All of the mentioned
2 and 4 2 and 4
2, 3 and 4 2, 3 and 4

why is that a good thing” is an example of____________?

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Your Answer:

Critical pedagogy Critical pedagogy
Environmental pedagogy Environmental pedagogy
Cognitive pedagogy Cognitive pedagogy
Social Pedagogy Social Pedagogy

Which team won the 2023–24 National T20 Cup?

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Your Answer:

Sindh Sindh
Abbottabad Abbottabad
Karachi Whites Karachi Whites
Peshawar Answer Peshawar Answer

The dynamic resistance of a forward biased p-n diode

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Your Answer:

Varies inversely with current Varies inversely with current
Varies directly with current Varies directly with current
Is constant Is constant
Is either constant or varies directly with current

Which of the following is valid?int arr[3] = {1,2,3};int *p = arr;

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Your Answer:

*(p + 1) *(p + 1)
p[2] p[2]
*(arr + 2) *(arr + 2)
All of the above All of the above

A strategy, employees seeking flexibility in workforce, workplace within the same company, regarded as?

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Your Answer:

promotions promotions
transfers transfers
reality shock reality shock
formal training formal training

Conversion achieved in HNO3 synthesis with the use of platinum catalyst is about 95 - 97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

1 Mark(s)

Your Answer:

Decreasing the pressure Decreasing the pressure
Decreasing the temperature Decreasing the temperature
Increasing the temperature Increasing the temperature
None of these None of these

Statement : The cinema halls are incurring heavy losses these days as people prefer to watch movies in home on TV than to visit cinema halls. Courses of Action : I. The cinema halls should be demolished and residential multi-storey buildings should be constructed there. II. The cinema halls should be converted into shopping malls.

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Your Answer:

Only I follows Only I follows
Only II follows Only II follows
Either I or II follows Either I or II follows
Neither I nor II follows Neither I nor II follows
Both I and II follow Both I and II follow

Where to carry out the cut?

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Your Answer:

The location of the cut is determined The location of the cut is determined
The accessibility of market, ease of harvest, economy in operations, labour availability, protection of the land, maintenance of soil fertility
Composition of balance growing stock after the cut and so on
All of the above All of the above

Leucocytopenia is seen in________________?

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Your Answer:

influenza influenza
agranulocytosis agranulocytosis
liver cirrhosis liver cirrhosis
All of the above All of the above

Resistivity of Gold is:

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Your Answer:

1.62x10-8 Ωm 1.62x10-8 Ωm
4.82x10-8 Ωm 4.82x10-8 Ωm
2.35x10-8 Ωm 2.35x10-8 Ωm
5.25x10-8 Ωm 5.25x10-8 Ωm

What prevents switching loops in a network?

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Your Answer:

STP STP
RIP RIP
OSPF OSPF
DHCP DHCP

Which of the following is not a requirement for binomial distribution ?

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Your Answer:

Constant Probability of Success Constant Probability of Success
Only two possible outcomes Only two possible outcomes
A fixed number of trials A fixed number of trials
Equally likely outcomes Equally likely outcomes

Magnitude of maximum displacement of the element from their equilibrium position as wave passes through them is called:

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Your Answer:

altitude altitude
amplitude amplitude
frequency frequency
wavelength wavelength

In water treatment, alum [Al2(SO4)3] is used for the process of __________________?

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Your Answer:

Filtration Filtration
Coagulation Coagulation
Sedimentation Sedimentation
Disinfection Disinfection

Liquefaction foci of Miller is a histopathological observation in:

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Your Answer:

Cemental caries Cemental caries
Early enamel caries Early enamel caries
Advanced enamel caries Advanced enamel caries
Advanced dentinal caries Advanced dentinal caries

The table below gives values of a function F(x) obtained for values of x at intervals of 0.25. x 0 0.25 0.5 0.75 1.0 F(x) 1 0.9412 0.8 0.64 0.50 The value of the integral of the function between the limits 0 to 1 using Simpson's rule is

1 Mark(s)

Your Answer:

0.7854 0.7854
2.3562 2.3562
3.1416 3.1416
7.5000 7.5000

Assertion (A) A family budget is a way of detailing expenses under different headings. Reason (R) It helps the family to live within their income.

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Your Answer:

A is correct and R is incorrect A is correct and R is incorrect
A is incorrect and R is correct A is incorrect and R is correct
Both A and R are correct Both A and R are correct
Both A and R are incorrect Both A and R are incorrect

In a database system, no tuple can have a null value for a:

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Your Answer:

Primary key attribute Primary key attribute
Foreign key attribute Foreign key attribute
Candidate key attribute Candidate key attribute
Not unique key attribute Not unique key attribute

One of the followings stimulates the interstitial cells of testes in males to secrete testosterone:

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Your Answer:

Follicle stimulating hormone Follicle stimulating hormone
Luteinizing hormone Luteinizing hormone
Prolactin Prolactin
Vasopressin Vasopressin

Which law relates to a person right to choose weather they want treatment or not?

1 Mark(s)

Your Answer:

The misuse of drug act 1971 The misuse of drug act 1971
The Health & safety at work act 1974 The Health & safety at work act 1974
The mental capacity 2005 The mental capacity 2005
None of these None of these

Which property is used to change the font of an element?

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Your Answer:

font-weight font-weight
font-family font-family
font-style font-style
font-type font-type

Christopher Ricks would most likely DISAGREE with which of the following claims about literary theory ?

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Your Answer:

Literary theory often depends on esoteric knowledge to be properly understood.
Literary theory is employed mostly by academics.
Literary theory should not be an academic focus in English departments.
Literary theory is the only proper way to conceptualize literary texts.

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R Programming Mock Test 1 : Question 1 of 34