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Question 1 of 13
1. Question
Case 1: Medical research team is on a project of analyzing iodine deficiency in blood among the members of the isolated tribe. They took 45 members for research as the government issued specific guidelines on a maximum number of members to avoid natural habitat of the tribe. Data is normally distributed. Case 2: An analyst is planning to analyze the performance of stocks of S
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Question 2 of 13
2. Question
Daily 100 trucks enter into the premise of Factor Ltd, steel alloy manufacturing company which brings iron ore in premise which is used as raw material. Based on details of randomly selected 6 trucks weighing 15MT, 15.2MT, 13MT, 14.5MT, 15.5MT and 12MT and a standard bucket of one truck should carry 16MT. Find out the variance of short supply.
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Question 3 of 13
3. Question
As per statisticians, what is the possible reason for using denominator (n1) in the calculation of sample variance with whereas Population variance uses n only as the denominator?
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Question 4 of 13
4. Question
Which one of the following is likely to be correct with respect to the standard error of sample mean.
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Question 5 of 13
5. Question
The average salary of Risk professionals in Mumbai is Rs 7 Lacs with standard deviation (sample) in Rs 1 Lakh. Randomly 40 samples are selected for the process. What is the standard error of the sample mean?
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Question 6 of 13
6. Question
Which one of the following is the correct statement
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Question 7 of 13
7. Question
The hedge fund Marcus Ltd primary trades in exotic derivatives. Presently 10 managers are on the floor managing their own portfolio. The mean return generated by the firm is 18%. Assuming standard deviation equal to 7%, the confidence interval at 95% the mean return is.
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Question 8 of 13
8. Question
Mac is an excellent manager who owned 40 stocks in his portfolio, got report from his quants professional on stock performance statistics report says mean return of sampling distribution lies in the range of 11.28 to 18.72 based on sample size of 12 with 1% significance level. Calculate the standard deviation of return of stocks
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Question 9 of 13
9. Question
Which one of the following is incorrect relating to Type I / II error and power of the test
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Question 10 of 13
10. Question
Indian handloom industry has a very distinct place in the culture of India and on the verge of extinction. To revive this industry government is looking for revival package, for this purpose your firm is appointed for data analysis. Government records stats that newly joined worker takes an average 90 days to get grip on the operation of handloom. You want to check that this mean time taken by the new worker is the same or different. Based on the random selection of 25 workers average came out to be 85 days with the standard deviation of 7 days. Find out the conclusion based on hypothesis testing theory where alpha = 5%.
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Question 11 of 13
11. Question
Which one of the following is incorrect with respect to Chisquared test?
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Question 12 of 13
12. Question
Tom and Town is an ice cream manufacturer where Choco and Blueberry are topselling flavours. The quality head is suspicious that Blueberry Flavor might have higher variation in sugar content that Choco Flavor. Quality head took 31 samples of each flavor and tested sugar content and found on average 100 g and 120 g of sugar content per Kg is there in Choco and Blueberry respectively with standard deviation of 20 g and 15 g. Determine if sugar content variation in Choco flavor ice cream is higher than in Blueberry at 5% significance.
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Question 13 of 13
13. Question
What is the minimum parentage of any distribution lies between + 1.75 standard deviations.
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