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Business Statistics and Research Methods
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Consider the following statements.
Statement-I: Standard error of the mean is the standard deviation of the sampling distribution of mean.
Statement-II: Simple random sampling is non-probability sampling method.
Which of the following combination is correct?

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What is a cross-sectional design?

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The unit of analysis and interpretation of statistical unit can be

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Which of the following is/are research methodology?

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What is the probability of an impossible event?

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Which of the following statement/s is/are true in context of ANOVA?
1. ANOVA is an acronym for "analysis of variance"
2. ANOVA is a parametric statistical hypothesis test to determine whether the means from two or more samples of data come from the same distribution or not.
3. ANOVA is used when one variable is numeric and one is categorical, such as numerical input variables and a classification target variable in a classification task.
4. ANOVA is a class of statistical tests that calculate the ratio between variances values, such as the variance from two different samples.
5. ANOVA tell us the explained and unexplained variance by a statistical test.

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Which one of the following methods seemsto be most appropriate in qualitative sampling?

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Object of median is to

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Identify from the following, the test statistic for which the value of numerator should always be greater than that of denominator.

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If the value of co-efficient of determination is 0.64, what is the value of co-efficient of correlation?

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To test the significant differences of two sets of related variables, we apply

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In a group of 100 CA students, 30 are male, 55 are studying for the Certificate Level and 6 of the male students are not studying for the Certificate Level. A student chosen at random is female. What is the probability that she is not studying for the Certificate Level?

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Which of the following are approaches of probability?

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The predicted rate of response of the dependent variable to changes in the independent variable is called:

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Class 10 - 25 25 - 40 40 - 55 55 - 70 70 - 85
f 6 20 44 ? 3
If the mode of the above distribution is 48.6, then the missing frequency will be

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. . . . . . . . asserts that there is not true difference in the sample and the population in the particular matter under consideration.

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Which of the following is not a source of secondary data?

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Which empirical relation is correct?

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Which of the following sratement/s is/are true in context of categorization?

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How many quartiles can be counted in a series?

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