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Business Analytics Practice Test: Difficult Level
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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.

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Business Analytics Practice Test: Intermediate Level

Business Analytics Practice Test: Difficult Level
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25 Questions

1. Events in which some points of sample are common are considered as
2. When statistical inference is made on basis of sample results about characteristics of population then this is classified as
3. At a grocery store, number of per day sold processed fruits cans in 15 days are 50, 70, 60, 40, 30, 20, 5, 150, 55, 75, 65, 45, 35, 25, 52 then outliers in observations are
4. Difference between smallest observation in data set and largest observation in data set is classified as
5. When data is arranged, middle value in set of observations is classified as
6. Total revenue (in crores) of five leather goods companies are as two companies have revenues between 10-20, one company has revenue between 20-30 and one company has revenue between 30-40 then standard deviation is
7. Scale which is used in determination of categorical information is called
8. According to empirical rule, mean and standard deviation interval that covers approximately 95.45% of data from a frequency distribution is
9. Technique used in measures of variations to show direction of variation in set of observations is classified as
10. According to notations used by R.A. Fisher, value of beta one with square root is equivalent to
11. Conditional probability of two independent events Y and Z can be written as
12. If central tendency is found by using sample data from population then this is classified as
13. Distribution which consists of all values of sample statistic of sampling is classified as
14. If total number of elements with some specific characteristics is 18 from a population of 40 and sample is drawn without replacement with size of 4 then mean of hyper geometric probability distribution is
15. Type of sampling In which each element of population has equally likely chance of occurrence in a random sample is classified as
16. In confidence interval estimation, confidence efficient is denoted by
17. In confidence interval estimation, formula of calculating confidence interval is
18. Variance of binomial probability distribution is larger in value if
19. Type of central tendency measures which divides data set into 100 equal parts is classified as
20. Process in which trials are statistically independent and each trial of event has only two outcomes is classified as
21. Analysis based on study of price fluctuations, production of commodities and deposits in banks is classified as
22. In confidence interval estimation, interval estimate is also classified as
23. If chances of success in a distribution are 0.68 and number of values in distribution are 4 then mean of Poisson probability distribution is
24. Class of variable which can accept only values from set of integers is classified as
25. 90th percentile is 60, 50th percentile is 30 and 10th percentile is 40 then coefficient of skewness is

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