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Buiseness Statistics - Part 3
1
of
25
💡
Hints:
3
Q1. Which of the following is the most appropriate example of a discrete random variable?
A. Distance
B. Height
C. Age
D. Weight
Q2. A quartile is a split in increments of:
A. 0.04
B. 0.25
C. 0.33
D. 0.50
Q3. Performance appraisal includes
A. Check reviews done by the supervisors
B. Review his performance in relation to the objectives and other behaviours
C. Help employee in self appraisal
D. All of the above
Q4. In how many ways 4 books can be arranged in book shelf in a row?
×
A. 32
B. 24
C. 9
D. 16
Q5. As the number of trials increase the experimental probability will approach theoretical probability.
A. Law of Large Numbers
B. Law of Averages
C. Complements
D. Bias
Q6. Careful use of statistical methods does not include
A. carefully defining the situation
B. gathering data
C. summarizing the data accurately
D. throwing out data that does not fit the graph
Q7. A histogram is used to determine class and
A. type
B. amount
C. age
D. frequency
Q8. Read the following headline and choose the condition that correspond with the business cycle.The DOW Jones industrial average reaches an all-time high.
A. Peak
B. Contractionary
C. Trough
D. Growth
Q9. The mean is r e
×
A. 500
B. 26.315
C. 30
D. 25
Q10. In conducting hypothesis test for the mean of two independent populations, the following values have to be present (you can opt for more than one option)
A. The mean value of the each sample
B. The standard deviation value of the each sample
C. The sample size of each sample
D. All of the above
Q11. Income of a family is an example of
A. Quantitative data
B. Qualitative data
C. Saving
Q12. A chart commonly used in quality management to separate the most important types of defects from trivial ones is called a
A. Deming Chart
B. quality control Chart
C. Taguchi Chart
D. Pareto Chart
Q13. Which one of the following is the relationship between mean, median and mode
A. Mode = Median - Mean
B. Mode = Median - 2 Mean
C. Mode = 3 Median - 2 Mean
D. Mode = 3 Median - Mean
Q14. A frequency distribution is
A. a tabular summary of a set of data showing the relative frequency
B. a graphical form of representing data
C. a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes
D. a graphical device for presenting categorical data
Q15. Which is the Principles of Human Relations?
A. Principle of Work Recognition
B. Principle of Participation
C. Principle of Motivation
D. All of the above
Q16. The coefficient of variation is
×
A. 25%
B. 21.91%
C. 5.48%
D. 30%
Q17. Which of the following statement is TRUE?
A. Quantitative variable is said to have no numerical significant.
B. Quantitative variable is said to have numerical significant.
C. Qualitative variable is said to have numerical significant.
D. Qualitative variable can be counted or measured.
Q18. Which is convention method of Human Relation training method?
A. Conference training
B. Case study method
C. Incident method
D. All of the above
Q19. Job analysis provides information used for writing
A. Organisation chart
B. Policy
C. Job Description
D. Procedure
Q20. Calculated Average is
A. Median
B. Mode
C. Geometric Mean
D. Dispersion
Q21. EventsAandBareindependentwhen P(B | A) =P(B)
A. Disjoint Events
B. Joint Probability
C. Division Rule
D. Independence (used formally)
Q22. The weight of an object is an example of
A. a continuous random variable
B. a discrete random variable
C. either a continuous or a discrete random variable, depending on the weight of the object
D. either a continuous or a discrete random variable depending on the units of measurement
Q23. ___ is the term given to any system of reorganization of data items within a f ile, where the reorganisation is independent of the information content of the file.
A. Printing
B. Maintenance
C. Copying
D. Merging
Q24. Which one of the following is not used in developing a box and whisker plot to describe the distribution of data?
A. the median
B. the mean
C. the lower quartile
D. the upper quartile
Q25. mutually exclusive, events that have no outcomes in common
A. Independent Events
B. Law of Averages
C. Complement Rule
D. Disjoint Events
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