Sing test- hypothesis testing, Operation Research

Assignment Help:

SING TEST

The sign test  is the simplest  of the  parametric  tests. Its name comes  from the  fact  that it is based  on the direction ( or sings  for  pluses or minuses ) of  a part of observation and  not on  their numerical  magnitude.

In any problem  in which sign  test is used we count:

Number of + sings

Number of  - sings

Number of 0 s  ( i, e, which  cannot be included either as positive or negative)

We take  H0  p= 0.5( Null hypothesis)

If the difference is due  to chance effects the   probability of a +sing for any particular pair is 1/2as is the probability of a  -sing. If s  is the number of times  the less  frequent sign  occurs then S has  the  binomial distribution with p= ½.

The  critical value for a two  sided alternative at α= 0.05 can be  conveniently found  by the  expression.

K = (n -1)/ 2 -( 0.98)√n

Ho is rejected if S ≤ K for  the sign  tests.

The sign  test can be  of two  types:

a.The one  sample  sign test

b.  The paired sample sign test

 


Related Discussions:- Sing test- hypothesis testing

Identify the various ways of selecting a random sample, Question 1 Discuss...

Question 1 Discuss the types of measurement scales used in research Question 2 Identify the various ways of selecting a random sample Question 3 Discuss five advan

Methods of calculation of standard deviation , Methods  of calculation of ...

Methods  of calculation of standard deviation a. Calculation of Standard  Deviation  - Individual Series: There  are two methods of calculating standard  deviation in an ind

Research an issue related to computer networks, Assignments should be submi...

Assignments should be submitted via FLO by the above deadline. Penalties for late submission are as set out in the topic SAM on FLO. Extensions can be granted in line with standard

Data collection-requirement gathering methods, Data Collection / Requiremen...

Data Collection / Requirement Gathering Methods 1. Discuss about the data collection or requirements gathering methods that will be used to conduct the research. 2. Discus

Modeling process, What are the basic 5 elements of modeling process

What are the basic 5 elements of modeling process

Problems based on lpp when feasible region is unbounded, Problems based on ...

Problems based on LPP when feasible region is unbounded.     1.    Minimize z = 3x + 5y subject to constraints  X + y ≥ 2 X + 3y ≥ 3 X, y ≥ 0 script

Manufacturing operation , You are a manager at a medium sized manufacturing...

You are a manager at a medium sized manufacturing operation that sells a customized product directly to the consumers and the data pattern is linear but it can have the occasion ra

A paper mill, A paper mill products two grade of paper viz., X & Y. Because...

A paper mill products two grade of paper viz., X & Y. Because of raw material restriction, it cannot produce more than 400 tons of grade X paper & 300 tons of grade Y paper in a we

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd