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Statistics | Measures of Central Tendency

Which one of the following is TRUE?
Which of the following is not a measure of central tendency?
Which of the following is not a measure of central tendency
Which statement is not correct?
The most commonly used measures of central tendency is
The shortcut method to find out the mean of large frequencies data is
The algebraic sum of the deviation about mean is
For the open ended distribution
The most commonly occurring value in a graph of distribution is known as
The relation between, AM, GM and HM is
The arithmetic mean is the best measure of central tendency because:
The cumulative frequency of the largest observed value must always be:
The mean deviation from the median is
The mean and median of observation 1 are 21 & 22 respectively. The mean of observation 2 whose median is 21 & mode is the same as observation 1.
Initially there are 9 workers, all being paid a uniform wage. Later a 10th worker is added whose wage rate is Rs. 20 less than for the others. The average wage gets:
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