Statistics Test...

If t is the standard deviation of x, y, z then the standard deviation of x + 5, y + 5, z + 5 is

If the Arithmetic mean of $$8, 6, 4, x, 3, 6, 0$$ is $$4$$; then the value of $$x =$$

Lowest value of variance can be:

Which of the following is not a measure of central location?

If $$\mu$$ is the mean distribution of $$\left (Y_{i}, f_{i}\right )$$, then $$\sum f_i(i - \mu)$$ is equal to.

The largest of $$50$$ measurements is $$3.84$$kg. If the range is $$0.46$$kg, find the smallest measurement.

What is the standard deviation of $$7,9,11,13,15$$?

Find the range and coefficient of range of the following data. $$59, 46, 30, 23, 27, 40, 52, 35, 29$$

The wickets taken by a bowler in a one-day cricket match are $$4, 5, 6, 3, 4, 0, 3, 2, 3, 5.$$ The mode of the data is ...............

What is the variance of the first $$11$$ natural numbers?