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Mean

Describe mean...

Question

Describe mean, median and mode of an observation briefly.

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Solution

Mean, median, and mode are three kinds of "averages".

Mean: It is the sum of all observations divided by the total number of observations.
Median: It is the "middle" value in the list of observations. To find the median, your observations have to be arranged in ascending or descending order.

Mode: It is the value of observation that occurs most often. If no observation is repeated, then there is no mode for the list.

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Q. Question 3
Which measures of central tendency get affected if the extreme observations on both the ends of a data arranged in descending order are removed?
(a) Mean and mode
(b) Mean and median
(c) Mode and median
(d) Mean, median and mode

Q. The relation between mean, mode and median is
(a) mode = (3 × mean) − (2 × median)
(b) mode = (3 × median) − (2 × mean)
(c) mode = (3 × mean) − (2 × mode)
(d) mode = (3 × median) − (2 × mode)

Q. The empirical relation between mean, mode and median is

(a) Mode = 3 Median − 2 Mean

(b) Mode = 2 Median − 3 Mean

(c) Median = 3 Mode − 2 Mean

(d) Mean = 3 Median − 2 Mode

The relation between mean,mode and median is

(a) $m o d e = (3 \times m e a n) - (2 \times m e d i a n)$

(b) $m o d e = (3 \times m e d i a n) - (2 \times m e a n)$

(c) $m e d i a n = (3 \times m e a n) - (2 \times m o d e)$

(d) $m e a n = (3 \times m e d i a n) - (2 \times m o d e)$

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