Statistics Test

The  sum  of  powers  of   deviations from mean is  zero  is  called :-

In a frequency distribution, the frequency is __________:-

If  Y  =  8X -5 and  SD of  X  is  3, then SD  of  Y  is :-

If Y  = 5X + 10 and  X  is  N  (10,25)   then  mean  of  Y  is :-

The data published in daily newspapers are called:-

In an  open end  frequency   distribution  either  the  ________ class time  :-

The  median of  the  data   2,4,10,8,6 is :-

How many different ways can 4 bos be selected from 7 bos:-

The  successive  trial are  with  replacement   in  :-

An experiment consist of three stages. There are five ways to accomplish the first stage, four ways to accomplish second stage and three ways to accomplish third stage. The total number of ways to accomplish the experiment is:-

If a base ball coach calculates batting averages, what scale would be used:-

Which  hypothesis  tell  us   weather  test  is  one  tail  or  2 tail :-

In pie  chart  ,  the  arrangement  of  the  angle  of  the difference   sectors  generally :-

How many combinations of size 4 can be formed from a set of 6 distinct objects:-

As a general rule the ______ is the best measure of central tendency because it is more precise:-

Sum of deviations about mean is:-

The variate values which divide a series into ten equal parts are called;-

A card is selected at random from an deck of 52 cards. The probability that the 7 of diamonds is selected as:-

Confidence   interval  is  a measure of  :-

A  simple   aggregate  price  index   ignores relative  quantities :-

Suppose a survey item asks someone if something is very important, Somewhat important, not very important. This is an example of what level:-

In a percentage frequency distribution, the total of the percentage frequencies is always equal to the:-

The  measurement  of  a  spread   or  scatter   of  the  individual  values  around  the  central  point is  called    :-

Median is the _____-___ value;-

If  any  value   in  the  data  is  zero  then which   of  the  following   average  vanishes :-