Business Statistics and Research Methods MCQs

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Question 154easy
Which of the following is not a mathematical average?
Question 155hard
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
Question 156medium
Which of the following is/are types of research?
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Question 157hard
If the median is 28 and the arithmetic mean is 30, then mode will be
Question 158medium
What is the function of a post-test in ANOVA?
Question 159easy
Which of the following is an economic index:
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Question 160hard
For a standard normal probability distribution, the mean (μ) and the standard deviation (σ) are:
Question 161easy
When one regression coefficient is negative the other would be
Question 162hard
Match the following and choose the most appropriate option. List-I List-II a. Median 1. Hypothesis b. Standard Deviation 2. Positional Average c. F-Test 3. Distance from mean value