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Buiseness Statistics - Part 1
1
of
25
💡
Hints:
3
Q1. What is the mode for the numbers 15, a 6, 7, 15, 6, 7, 20, 6?
A. 6
B. 7
C. 15
D. 20
Q2. Which operations are involved in Data processing?
A. Recording
B. Classifying
C. Analysing
D. All of the above
Q3. ___ is the process of deciding how to fill the company’s most important ex- ecutive positions.
A. Succession Planning
B. Organisational Restructuring
C. Self directed Teams
D. Corporate downsizing
Q4. The most suitable average for index number is
A. A.M
B. G.M
C. Mode
D. Median
Q5. For a skewed distribution, what is the minimum percentage of the observations that will lie within 2.5 standard deviations of the mean based on Chebyshev’s rule?
A. 84%
B. 75%
C. 78%
D. 95%
Q6. From a group of seven finalists to a contest, three individuals are to be selected for the first and second and third places. Determine the number of possible selections.
A. 21
B. 180
C. 210
D. 35
Q7. At Donald’s Donuts the number of donut holes in a bag can vary. Help Donald find the mode.12,10,10,10,13,12,11,13,10
×
A. 13
B. 12
C. 11
D. 10
Q8. Job description involves
A. Condition of work
B. Machine tools
C. Accident hazards
D. All of the above
Q9. Given the class "21 - 30" Determine the upper boundary
A. 20.5
B. 21
C. 29.5
D. 30.5
Q10. A six-sided die is tossed 3 times. The probability of observing three FIVES in a row is
A. 1/3
B. 1/6
C. 1/27
D. 1/216
Q11. In case of simple correlation, the number of variables involved are
A. 1
B. 2
C. 3
D. 4
Q12. What is a Trade Balance?
A. The difference between the monetary value of one country’s imports and exports over a time period
B. Trying to find a perfect weight of the items that are imported and exported
C. The difference between the sales of a country and it’s gross national product
D. The comparison between the number of citizens one country has compared to another
Q13. Relation between two variables is determined by a
A. Regression
B. Mean
C. Correlation
D. Dispersion
Q14. Which of the following is not a characteristic of the normal probability distribution?
A. The mean, median, and the mode are equal
B. The mean of the distribution can be negative, zero, or positive
C. The distribution is symmetrical
D. The standard deviation must be 1
Q15. If learning that one event occurs does not change the probability that the other event occurs
A. Joint Probabilities
B. Disjoint Events
C. Independence (Informally)
D. Classical Probability
Q16. The sum of the percent frequencies for all classes will always equal
A. One
B. Number of classes
C. Number of items in the study
D. 100
Q17. Which is methods of collection information for Job analysis?
A. Questionnaire Method
B. Interview Method
C. Observation Method
D. All of the above
Q18. All of the following are advantages of using questionnaires to collect data EXCEPT:
A. quick turnaround time.
B. can be administered to groups.
C. ease of data analysis for closed ended items.
D. allows probing and follow upquestions.
Q19. What are spending habits?
A. A habit of how you manage to use your money
B. A habit of buying too many products on credit
C. A habit of spending more money than disposable income
D. A habit of filing for bankruptcy when income is less than expenditures
Q20. The contents of Job description involves
A. Condition of work
B. Organisational location of the job
C. Job title
D. All of the above
Q21. A conversation with a purpose can be otherwise called
A. A questionnaire
B. Observation
C. An Interview
D. Census
Q22. What are the correct null and alternative hypothesis if we want to test the claim that the average monthly income of a fresh graduate is larger than 5 million IDR?
A. H0: μ > =5 million IDR H1: μ <5 million IDR
B. H0: μ < =5 million IDR H1: μ >5 million IDR
C. H0: μ = 5 million IDR H1: μ= 5 million IDR
D. H0: Π > =5 million IDR H1: Π <5 million IDR
Q23. Which of the following is a continuous variable?
A. The number of students in the class.
B. The time taken to complete a test.
C. The total books in a store room.
D. The record of the tables in a classroom
Q24. Find the range for the following list of values: 13, 18, 13, 14, 13, 16, 14, 21, 13
A. 7
B. 8
C. 9
D. 10
Q25. The following figure best represents the fundamental philosophy of .
×
A. One sample test
B. Two sample [independent] test
C. Two sample [related] test
D. Analysis of Variance
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