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Q. In quality control of manufactured items, the most common measure of dispersion is:

Q. Standard deviation is always computed from

Q. The coefficient of determination must be

Q. The sample mean is a

Q. The measure of dispersion which uses only two observations is called:

Q. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

Q. __________ is a point of reference in comparing various data describing individual behavior.

Q. The value at the base time period serves as the standard point of comparison

Q. If the sum of squares of the rank differences of 10 pairs of values is 30, find the correlation coefficient between them.

Q. Index number for base year is always considered as------