Statistics Test

In regression  the  sign  of  (B's ) and (r) :-

For binomial distribution , if np and nq are greater than 5 then  binomial approaches:-

The repetition of the basic experiment is called:-

Standard  deviation is always  calculated  from :-

The  appropriate  average   for  calculating   average  percentage   increase  in population is :-

When a multiple  correlation  coefficient  r   1.2  = 1  ,  then it  shows  perfect  relationship ;-

Which statement is true:-

The  test  statistics   for  a  Hypothesis  testing  is   given  by   sample  statistic   parameter  /standard  error :-

In  normal  distribution ,  the  parameter  which  controls  the  flatness  of  the  curve  is μ,σ:-

We  use  normal  distribution  when 'n' is  ;-

Binomial distribution approximated to poisson distribution when ;-

Cumulative  frequencies  are :-

In a  binomial  distribution   n = 10   p = 3/5  its  means   is  :-

When the  two  regression  line  coincide  then r is ;-

The class frequency divided by total number of observations is called:-

Suppose a large number of people take a test, and every single student gets exactly half of the answer right. In this case, the standard deviation is:-

The sum of Independent Geometric distributed random variables follows a:-

The square root of the variance as a measure of dispersion is always the:-

The first step for constructing frequency distribution:-

A  simple   aggregate  price  index   ignores relative  quantities :-

When the  assumption  of normality  not  met  we  go  for :-

A graph of cumulative distribution is called:-

A  source  note  foot  are  the  :-

The value of nCo is:-

A bag contains a red bead, a green bead, and a blue bead. If bead is selected and its color noted , and then it is replaced and another bead is selected, the probability that the both beads will be of the same color is:-