Related InterviewSolutions

• Coefficient of standard deviation is:A. `(MD_(barx))/(barX)`B. `(MD_(m))/(M)`C. `(MD_(Z))/(Z)`D. all of these
• …………………. Is the arithmetic average of the deviations of all the values taken from some average value of the series, ignoring signs of the deviations. (Mean Deviation/Standard Deviation)
• Two sample of size 100 and 150 respectively have means 15 and 16 and standard deviations 3 and 4 respectively. Find the combined mean and standard deviation of Size 250.
• Find out the range and coefficient of range from the following data: 6,12,30,24,45,52,40
• `sigma=sqrt((N_(1)sigma_(1)^(2)+N_(2)sigma_(2)^(2)+N_(1)d_(1)^(2)+N_(2)d_(2)^(2))/(N_(1)+N_(2)))` is the formula of:A. combined mean deviationB. combined quartile deviationC. combined standard deviationD. coefficient of variation
• Mean deviation can be calculation by using:A. meanB. modeC. medianD. all of these
• Which is the following formulae is used to find out inter quartile range?A. `(Q_(1)-Q_(3))/(2)`B. `(Q_(1)+Q_(3))/(2)`C. `Q_(1)-Q_(3)`D. `Q_(1)+Q_(3)`
• Range is estimated as the ………………………. Of highest and lowest values of the series. (difference/multiplicatin)
• Coefficient of range is:A. `((H+L)/(H-L))xx2`B. `(H+L)/(2)`C. `(H+L)/(H-L)`D. `(H-L)/(H+L)`
• Difference between third quartile and first quartile of a series, is called …………….. (Quartile Deviation/Inter Quartile Range)