The harmonic mean of 4 and 6 is:

Related MCQs

• The dividing lines between random and non-random deviations from mean of the distribution are known as ..........................
• The geometric mean of the two regression coefficient, bxy and byx is equal to:
• The arithmetic mean between 5 + 3 and 5 - 3 is:
• Relationship of mean, median and mode according to Karl Pearson is
• A geometric mean of two numbers 12 and 27 is
• Karl Pearson has expressed the relationship between Mean, Median, and Mode as:
• The average difference between the items in a distribution and the median or mean of that series is known as:
• Arithmetic mean of the two regression coefficients is:
• By testing of hypothesis, we mean:
• The algebraic sum of the deviations of a set of a n values from their arithmetic mean is