Q201
Open questionZ-list is used to know whether two population means are
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Commerce · all questionsBusiness Statistics and Research Methods
Business Statistics and Research Methods
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Q202
Open questionDiagrams are more suitable to illustrate the data, which is . . . . . . . . while . . . . . . . . is better represented by graphs.
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Q203
Open questionThe regression lines cut each other at the point of
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Q204
Open questionWhich of the following cannot be calculated with the help of graph?
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Q205
Open questionIf bxy = 0.25 and byx = 0.64, correlation coefficient is:
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Q206
Open questionIf two events A and B are dependent, the conditional probability of B given A, i.e, P(A/B) is calculated as:
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Q207
Open questionWhich of the following is non-parametric test?
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Q208
Open questionA frequency distribution has three groups in which the total number of frequencies are 100, 125 and 150 and their mean are 20, 15 and 25 respectively. The collective mean of the entire distribution will be
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Q209
Open questionWhich of the following is the first step in starting the research process?
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Q210
Open questionNull hypothesisis always . . . . . . . . while alternate hypothesis gives a/an . . . . . . . . value.
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Q211
Open questionThe mean wages of the first group workers is Rs. 15 and the number is 100. If the mean wage of the whole groups is Rs. 15.60 and the number of workers is 250, then the mean wages of the workers of the second group will be
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Q212
Open questionIn . . . . . . . ., size of the slice represents the proportion of the component out of the whole.
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Q213
Open questionIn order to apply correctly the χ2-test for goodness of fit, which of the following assumption is correct?
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Q214
Open questionThe positive time reversibility test is complete when
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Q215
Open questionMatch the following items in List-I with most suitable options in List-II:
| List-I | List-II |
| a. Fisher | 1. Inverse probability |
| b. Karl Pearson | 2. Normal Distribution |
| c. Thomas Bayes | 3. Correlation Coefficient |
| d. Karl Gauss | 4. Index Numbers |
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Q216
Open questionIf the arithmetic mean is 25 and standard deviation 6.25 then coefficient of variation will be
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Q217
Open questionIn a report, the index forms a part of the:
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Q218
Open questionThe heading of a row in a statistical table is called
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Q219
Open questionThe moments about origin are called:
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Q220
Open questionIf the value of any regression coefficient is zero, then two variables are:
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