Q301
Open questionThe value of third quartile will be equal to
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Commerce · all questionsBusiness Statistics and Research Methods
Business Statistics and Research Methods
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Q302
Open questionCalculate the value of variance if median = 23, mode = 29 and coefficient of variation is 50%.
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Q303
Open questionMatch the items of List-II with the items of List-I and select the option of correct matching.
| List-I | List-II |
| a. Standard error of mean | 1. Ha: > 100 |
| b. Base of point estimate of the mean of the population | 2. Values based on all the observations of the population |
| c. Non-specific hypothesis | 3. Mean of the sampling distribution of mean |
| d. Parameter value of descriptive statistics | 4. Standard deviation of the sampling distribution of mean |
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Q304
Open questionWhich one of the following statements is the correct interpretation of P-value ofless than 0.01 in hypothesis testing?
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Q305
Open questionThe standard error of the mean:
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Q306
Open questionMost business and economic variables are of continuous nature and their behaviour is best described by a . . . . . . . . continuous curve.
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Q307
Open questionWhen it comes to the precision of research estimates, which of the following is true?
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Q308
Open questionWhich among the following is not a technique of business forecasting?
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Q309
Open questionWhich one of the following is a false statement?
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Q310
Open questionCorrelation obtained by concurrent deviation method indicate only following result.
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Q311
Open questionCo-variance between two variables is:
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Q312
Open questionFor symmetrical distribution which of the following is true?
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Q313
Open questionWhen two regression coefficients bear same algebraic signs, then correlation coefficient is:
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Q314
Open questionF-test is used to test the significance of the differences between/among:
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Q315
Open questionWhich of the following is an assumption of one-way ANOVA comparing samples from three or more experimental treatments?
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Q316
Open questionWhich of the following measure of central tendency may not be contained in the observation?
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Q317
Open questionThe method of least squares dictates that we choose a regression line where the sum of the square of deviations of the points from the line is:
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Q318
Open questionThe measures used to calculate the variation present among the observations in the unit of the variable is called:
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Q319
Open questionFrom the following data, calculate coefficient of correlation.
| X | 1 | 2 | 3 | 4 | 5 |
| Y | 10 | 20 | 30 | 40 | 50 |
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Q320
Open questionIf the ranks of two attributes in a sample are as follows
Then the rank correlation between the two will be
| R1 | 1 | 2 | 3 | 4 | 5 |
| R2 | 5 | 4 | 3 | 2 | 1 |
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