Statistical Too...

In a dataset with 100 observations, what percentile does the third quartile (Q3) represent?

The mean of 10 observations is 10 . All the observations are increased by \(10 \%\). The mean of increased observations will be:

Consider the following frequency distribution and find out the arithmetic mean.

If \(\mathrm{k}(\) Median - Mode \()=\) Mean then \(\mathrm{k}\) is ?

Which of the following is not related to the measure of central tendency?

The weighted arithmetic mean of the first n natural numbers whose weights are equal to the corresponding numbers is given by:

Find the mode of the given set;

\(3,5,9,6,5,9,2,9,3, 5\)

Which of these is not affected by extreme values?

The average (arithmetic mean) of a set of seven numbers is 8. When an eighth number is added to the set, the average of the eight numbers is still 8. What number was added to the set?

If the median (Q₂) of a dataset is 50, what is the likely range of values for the first quartile (Q₁) and third quartile (Q₃) in a symmetric distribution?