Q. Which average would be most suitable to know the average size of ready made garments? MeanMedianModeNone of these Answer: Mode

Q. For a symmetrical distribution Q1 and Q3 are 30 and 60 respectively, the value of median will be: 90306045 Answer: 45

Q. The arithmetic mean of the observation, 9, 12, 16, 22, 37 and 42 is: 21222324 Answer: 23

Q. Which of the following is positional average? MeanMedianModeAll of the above Answer: Median

Q.The mean value of the marks obtained by 25 students in a class is 30 marks. If 15 marks added to every students, then new mean is: 30354555 Answer: 45

Q. Quartile divide the series into how many parts? TwoThreeFourTen Answer: Four

Q. Which quartile is called median? Q1Q2Q3Q4 Answer: Q2

Q. Simple arithmetic mean is also called: Weighted meanUnweighted meanRelative meanAll of these Answer: Unweighted mean

Q. The sum of deviation calculated from mean is: ZeroMinimumMaximumNone of the above Answer: Zero

Q. Arithmetic mean is based on the assumption of the class interval in case of: Individual SeriesDiscrete SeriesOpen ended SeriesNone of the above Answer: Open ended Series