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Business Analytics Practice Test: Easy
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Business analytics is the process of transforming data into insights to improve business decisions.

Data management, data visualization, predictive modeling, data mining, forecasting simulation, and optimization are some of the tools used to create insights from data.

Business Analytics Practice Test: Easy
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25 Questions

1. Type of cumulative frequency distribution in which class intervals are added in bottom to top order is classified as
2. Classification method in which upper and lower limits of interval is also in class interval itself is called
3. Summary and presentation of data in tabular form with several non-overlapping classes is referred as
4. In a set of observations, amount of variation can be shown in form of figures with help of
5. Types of descriptive measures includes
6. According to percentiles, median to be measured must lie in
7. Mean absolute deviation is 5 and arithmetic mean is 110 then coefficient of mean absolute deviation is
8. If a person buys a lottery, chance of winning a Toyota car is 60%, chance of winning Hyundai car is 70% and chance of winning both is 40% then chance of winning Toyota or Hyundai is
9. If two events X and Y are considered as partially overlapping events then rule of addition can be written as
10. Probability which is based on self-beliefs of persons involved in experiment is classified as
11. In stem and leaf display diagrams used in exploratory analysis, stems are considered as
12. Sum of all squared deviations is divided by total number of observations to calculate
13. Variables whose measurement is done in terms such as weight, height and length are classified as
14. Listing of elements in population with identifiable number is classified as
15. Tail or head, one or zero and girl and boy are examples of
16. Value of Σfd is 250, A= 25, number of observations are 12 and width of class interval is 6 then arithmetic mean is
17. Moment about mean which is indication whether distribution is symmetrical or asymmetrical is considered as
18. If total sum of square is 20 and sample variance is 5 then total number of observations are
19. Quartiles, median, percentiles and deciles are measures of central tendency classified as
20. Value of Σfx is 300, A= 35, number of observations are 15 and width of class interval is 5 then arithmetic mean is
21. Mean of squared deviations which is calculated from arithmetic mean is called
22. Regardless to difference in distribution of sample and population, mean of sampling distribution must be equal to
23. Number of patients who visited cardiologists are as 63, 57, 51, 65 in four days then absolute mean deviation (approximately) is
24. In systematic sampling, value of k is classified as
25. Upper and lower boundaries of interval of confidence are classified as

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