Sample Question set - QT&A Flashcards by Ramiro Cruz

Which from the given option expresses how often something occurs?

A. Frequency
B. Mid Value
C. Class Interval
D. Cumulative Frequency

A. Frequency

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Which one of the following methods is used for the estimation of the population in a country?

A. Census method
B. Sampling method
C. Random method
D. Stratummethod

A. Census method

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What kind of data are contained in the census of population and national income estimates, for the government?

A. Primary data
B. Secondary data
C. Internal data
D. External data

B. Secondary data

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Geometric mean is better than other means when?

A. The data are positive as well as negative
B. The data are in ratios or percentages
C. Thedataarebinary
D. Thedataareonintervalscale

B. The data are in ratios or percentages

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The A.M of two numbers is 6.5 and their G.M is 6 .What are the two numbers?

A. 9,6
B. 9,5
C. 7,6
D. 4,9

D. 4,9

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If the grouped data has open end classes which one cannot calculate?

A. Median
B. Mode
C. Mean
D. Quartiles

C. Mean

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The mean of the absolute deviation of the observations from an appropriate average is known as which dispersion?

A. Q.D
B. M.D
C. Range
D. S.D

B. M.D

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Mean deviation taken from which measures of central tendency is least?

A. Mean
B. Median
C. Mode
D. G.M

B. Median

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If all the values taken by a variable ‘x’ is a constant k, what is the M.D?

A. 0
B. 1
C. Infinity
D. N

A. 0

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What is the method of selecting a desirable portion from a population which describes the characteristics of whole population is called as?

A. Sampling
B. Segregating
C. Dividing
D. Implanting

A. Sampling

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What type of events are A and B, if P(A ∩ B) = 0 ?

A. Mutually Exclusive
B. Exhaustive
C. Equally Likely
D. Independent

A. Mutually Exclusive

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If there is a perfect agreement between the masks in geography and statistics, then what would be the value of rank correlation coefficient?

A. 0
B. 1
C. -1
D. N

B. 1

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What is the quickest method to find correlation between two variables?

A. Scatter diagram
B. Karl Pearson coefficient of correlation
C. Spearman’s rank correlation
D. Coefficient of concurrent deviation method

A. Scatter diagram

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If the data is collected for two variables simultaneously, which is called as?

A. Bi-variate data
B. Uni-variate data
C. Multi-variatedata
D. Simpledata

A. Bi-variate data

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If the critical region is equally distributed then what is the test is referred as?

A. One Tailed
B. Two Tailed
C. Left Tailed
D. Right Tailed

B. Two Tailed

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What is the Probability of Type I error is referred as?

A. 1-α
B. α
C. β
D. 1–β

B. α

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What is the region of acceptance of H0 called?

A. Critical Region
B. Test statistics
C. Type-I Error
D. Acceptance Region

D. Acceptance Region

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Among the following steps in LPP, what is the first step?

A. Mention the constraints
B. Identify the decision variables
C. Write the objective function
D. Explicitly state the non-negativity restriction

B. Identify the decision variables

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The general structure of an LP model consists of how many basic components?

A. Three
B. Four
C. Two
D. Five

A. Three

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Application software is used to accomplish specific tasks other than just running the computer system. Which of the following are an example of Application software.

A. Linux and Unix
B. DOS and Mac OSX
C. MS PowerPoint and word
D. MS windows and opera

C. MS PowerPoint and word

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A multi-user computer capable of supporting from 10 to 100 users simultaneously. the type of computer from the statement.

A. Personal computer
B. Workstation
C. Mainframe
D. Minicomputer

D. Minicomputer

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The main component of the computer which is responsible for all the functions and processes. Identify the component of the computer.

A. Hard drive
B. CPU
C. Monitor
D. Projector

B. CPU

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Extension name helps in identifying the type of file. What is the extension name of MS word?

A. .xlsx
B. .pptx
C. .txt
D. .docx

D. .docx

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The bar is at the bottom and displays the page number, Line number, word count, zoom, etc. Identify the type of bar stated.

A. Title bar
B. Status bar
C. Quick bar
D. File menu bar

Study These Flashcards

B. Status bar

27. The Quick access Toolbar is a customizable toolbar that provides easy access to any command in the application. Identify the commands included in this toolbar. A. Update and view B. Save, Undo and Redo C. Page number and Line number D. Word count and zoom

B. Save, Undo and Redo

28. Which of the following controls all the main slide control tasks for your presentation? A. Task Pane B. Task Bar C. Control Panel D. MSPPT

A. Task Pane

29. Which of the following is not available in Task Pane? A. Getting Started B. Clip Art C. Word Art D. Search Results

C. Word Art

30. Which from the given options is NOT a product of MS Office? A. PPT B. Edge C. Excel D. PDF

D. PDF

1. The South African government is concerned about the high incidence of HIV/AIDS in South Africa. They wish to estimate the actual number of people in South Africa who are HIV positive. A random sample of 5000 people was tested, and 1980 of them were HIV positive. What is the statistic? A. The 5000 people sampled B. All the people in South Africa C. The 1980 people sampled who were HIV positive D. Impossible to calculate from the given information

C. The 1980 people sampled who were HIV positive

2. A college is trying to estimate the percentage of their MBA (Finance) students who have access to a home computer. A random sample of 550 students of the college were picked and asked. What is the population of interest in this experiment? A. All the MBA students who are registered in the finance faculty B. All the MBA students of the college C. All the 550 students who were interviewed D. All the MBA students who have computers at home

A. All the MBA students who are registered in the finance faculty

3. For a business unit the following data represents the number of employees interested in various sports: Football - 10; Hockey - 5; Cricket - 5; Basketball - 10 and Badminton - 10 On a Pie chart, what is the degree of pie sector for Cricket and Basketball? A. 25 degrees and 60 degrees respectively B. 45 degrees and 90 degrees respectively C. 25 degrees and 50 degrees respectively D. 5 degrees and 10 degrees respectively

B. 45 degrees and 90 degrees respectively

4. For a business unit the following data represents the number of employees interested in various sports: Football - 10; Hockey - 5; Cricket - 5; Basketball - 10 and Badminton - 10 On a Pie chart, what is the degree of pie sector for Hockey? A. 5 degrees B. 25 degrees C. 90 degrees D. 45 degrees

D. 45 degrees

5. A sports company is assessing the market for the launch of a new shoe style for school kids. The following data shows the number of school kids who liked the new shoe style from 17 different schools: 4; 5; 6; 6; 6; 7; 7; 7; 7; 7; 7; 7; 8; 8; 8; 9; and 10 What is the inference of central tendency statistics? A. Mean >Median < Mode B. Mean < Median < Mode C. Mean > Median > Mode D. Mean = Median = Mode

D. Mean = Median = Mode

``` 6. For a cricket match, the home team won with marginal runs. The score card showed that 3 players made runs with a score lower than the average, 1 got out on zero, 4 players scored runs which are very low, and only 2 players made the highest scores and which resulted in the team's success. How does skewness of the score-player distribution look like in a frequency distribution graph? A. Positively skewed B. Negatively skewed C. No skewness showing symmetry D. No skewness but showing asymmetry ```

B. Negatively skewed

``` 7. An economy shows a wide gap between the earnings of its population. The data shows a right skewness of the earnings wherein maximum population has low salary. How can central tendency measures be interpreted from above data? A. Mean> Median> Mode B. Mean< Median> Mode C. Mean< Median< Mode D. Mean= Median= Mode ```

A. Mean> Median> Mode

``` 8. 500 undergrads were tested on their Quantitative aptitude. What is the statistical term for half of the difference between upper and lower quartiles? A. Interquartile Range B. Quartile Deviation C. Mean Deviation D. Standard Deviation ```

A. Interquartile Range

``` 9. A data set shows a symmetrical distribution. If Q3 – Q1= 20 and the Median= 15. What is the value of Q3? A. 25 B. 20 C. 15 D. 5 ```

A. 25

10. A company has three projects running- P, Q and R. Number of workers in each are 100, 200 and 300 respectively. The mean of the wages for workers is the same in all the three projects. Which of the following statements is TRUE in the given scenario? A. Standard deviation in Project P is the smallest B. Standard deviation in all the three projects are equal C. Standard deviation in Project R is the smallest D. Standard deviation in Project Q is the smallest

C. Standard deviation in Project R is the smallest

11. A box contains 6 Red and 5 Green gift packages of same size. A package is drawn at random without replacement. What is the probability of picking the second green package in 2nd attempt, if the 1st package drawn was Green? A. (4/10) B. (2/10) C. (4/11) D. (2/11)

A. (4/10)

``` 12. Under what given condition the multiplication law is potentially helpful when we are interested in computing the probability? A. For Mutually exclusive events B. For the union of two events C. For the intersection of two events D. For independent events ```

C. For the intersection of two events

``` 13. In an experiment, two events A and B are found to be mutually exclusive events with P(A)=0.3 and P(B)=0.5 then what is P(A∪B) equal to? A. 0 B. 0.15 C. 0.8 D. 0.2 ```

C. 0.8

14. Regression analysis is a technique for finding the best-fitting line for 2 or more given set of data. Which among the following is the exact use of a regression line shown as: y = mx + b? A. To determine if any y-values are outliers B. To determine if any x-values are outliers C. To estimate the change in y for a one-unit change in x D. To determine if a change in x causes a change in y

C. To estimate the change in y for a one-unit change in x

``` 15. Regression analysis was applied between sales (y) and advertising (x) for an MNC. The following regression function was obtained. Y = 5000 + 7.5x. Which value in this equation represents the intercept and the slope of the regression line? A. Intercept = 5000; Slope= 7.5 B. Intercept = 7.5; Slope= 5000 C. Intercept = 2500; Slope= 15 D. Intercept = 15; Slope= 2500 ```

A. Intercept = 5000; Slope= 7.5

``` 16. Operations Research takes tools from different discipline such as mathematics, statistics, economics, psychology, engineering etc. and combines these tools to make a new set of knowledge for: A. Decision making B. Advertisement C. Sales D. Manufacturing ```

A. Decision making

17. For a problem to be a Linear Programming Problem, the decision variables, objective function and constraints all have to be ________ functions. A. Linear B. Exponential C. Non-linear D. Optimal

A. Linear

``` 18. Decision Variables are: A. Controllable B. Uncontrollable C. Parameters D. Quantitative ```

D. Quantitative

``` 19. Which method is used to find IBFS for a given transportation problem? A. Graphical method B. Least cost method C. MODI method D. Hungarian method ```

B. Least cost method

``` 20. Transportation problem is a Special type of: A. Network Problem B. Linear Programming Problem C. Travelling Salesman Problem D. Queuing Problem ```

B. Linear Programming Problem

``` 21. Which of the IBFS method is close to the optimal solution in transportation problem? A. North-West Corner Rule B. Least Cost Method C. Vogel's Approximation Method D. Hungarian Method ```

C. Vogel's Approximation Method

``` 22. In an assignment problem, the number of allocation in each row and column are: A. Zero B. Not equal C. Equal D. Can't be determined ```

C. Equal

``` 23. ________ or ________ is used to balance an assignment problem. A. Destinations, Sources B. Units supplied, Units demanded C. Dummy row, Dummy column D. Artificial cells, Degenerate cells ```

C. Dummy row, Dummy column

24. An assignment problem requires that: A. Only one activity be assigned to each resource B. One activity be assigned to many resources C. One activity be assigned to three resources D. One activity be assigned to two resources

A. Only one activity be assigned to each resource

``` 25. CPM in the context of project management stands for: A. Critical Path Method B. Critical Project Management C. Critical Path Management D. Computer Parts Management ```

A. Critical Path Method

``` 26. The optimistic time=1, Pessimistic time = 7 and Most likely time = 1. The Expected Duration and Variane for this activity is: A. 2 and 1 respectively B. 1 and 2 respectively C. 2 and 0 respectively D. 1 and 0 respectively ```

A. 2 and 1 respectively

``` 27. Which is the default alignment in word? A. Left B. Right C. Center D. Justify ```

A. Left

``` 28. A number or letter that appears little below the normal text is called: A. Superscript B. Subscript C. Supertext D. Bottomtext ```

B. Subscript

29. In MS Excel, the name box to the left of the formula bar: A. Stores the address of the activated cell or range B. Stores the name of the active shett C. Stores the name of the workbook D. Is always empty

A. Stores the address of the activated cell or range

``` 30. The basic unit of a worksheet into which you enter data in Excel is called as a: A. Cell B. Table C. Column D. Row ```

A. Cell

Sample Question set - QT&A Flashcards

(58 cards)