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Commerce · all questions

Business Statistics and Research Methods
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What is the total work participation rate in India as per 2001 census?

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If two regression coefficients are -0.8 and -0.2, then the value of coefficient of correlation is

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Which of the following statement/s is/are correct in context of Baye's Theorem?

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Which of the following are 'non-statistical' research?
1. Problem solving research
2. Qualitative research
3. Applied research
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If the standard deviation of a variable X is s and if y = a + bs, where a and b are constants, the standard deviation of y would be

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Which of the following qualities an investigator must possess in collection of primary data?
1. Skill
2. Tact
3. Accuracy
4. Neutrality
5. Personal bias
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The measurement based on all the values in the series is

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The standard deviation of the first group is 12 and the mean is 15. The standard deviation of the second group is 18 and the mean is 25. Which group is more stable?

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Next year, sales may rise, fall or remain the same as this year, with the following respective probabilities: 0.56, 0.23 and 0.21. The probability of sales remaining the same or falling is:

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Which of the following is a probability-based sample selection technique?

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Which is most likely to yield qualitative data?

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The term (1-B) is called:

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Baye's Theorem is considered as theorem of total probability that is given by:

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Which of the following is not a mathematical average?

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Match the following.
List-I List-II
a. Quartile deviation 1. Obtained by calculating the absolute deviation of each observation from mean
b. Standard deviation 2. Is one-half of the inter-quartile range
c. Mean deviation 3. Is the square root of the average of the squared distances of the observation from the mean

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Which of the following is/are types of research?

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If the median is 28 and the arithmetic mean is 30, then mode will be

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What is the function of a post-test in ANOVA?

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Which of the following is an economic index:

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For a standard normal probability distribution, the mean (μ) and the standard deviation (σ) are:

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