Central Tendency and Dispersion (CA - CPT)
| Description: Chapter 11: Central tendency and Dispersion | |
| Number of Questions: 15 | |
| Created by: Nitesh Divan | |
| Tags: Standard deviation Measures of Central Tendency |
The middlemost value when the observations are arranged in order of magnitude is called
Which of the following statements is true?
The value(s) that can be determined graphically is/are
______________ divide(s) the given set of observations into four equal parts.
Standard deviation is ______________ of change of origin, but _____________ on change of scale.
Which of the following measures of dispersion can be used for comparing variability of two distributions?
The sum of squares of deviations of a set of observations has the smallest valu, when the deviations are taken from their
Which of the following is/are a mathematical average?
Which of the following is/are called ratio average(s)?
Which of the following holds for a set of distinct positive observations?
If all observations of a distribution are increased by 10, then the standard deviatiobn of the series will be
The sum of deviations of a set of observations is zero when the deviations are taken from their
The mean and standard deviation of 10 observations are 45 and 3, respectively. If each observation is increased by 4, the respective changed mean and standard deviation will be
The standard deviation of which of the following pairs of numbers is the highest?
Quartile deviation is _______ inter-quartile range.