Business Statistics and Research Methods MCQs

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

Which statement is not true?

Arithmetic mean of earning of 42 workers in a factory is Rs. 1200 per month. On account of price rise the workers managed to get 10% hike in their earnings. In addition to this, the management paid Rs. 100 per month to each employee as bonus. The arithmetic mean of total earning of the workers after these changes will be

The advent of computers in research has led to:

The sum of squared deviations is minimum when taken from

Statistical Errors means:

Compute the coefficient of range from the following data 91, 54, 44, 56, 71, 25, 09, 27, 72, 62.

The moments about mean are called:

Both the regression coefficients cannot be