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

Discuss how theories is helpful researchers in communication, QUESTION 1 ...

QUESTION 1 i) What do you understand by the following terms? And what is their role in communication theories? Ontology Epistemology Axiology ii) Discuss how

Uncertainly, Uncertainly : There is a great uncertainly about economic a...

Uncertainly : There is a great uncertainly about economic and general environment. With economic growth uncertainty is also growing's. this makes each decisions costlier

Linear programmimg, #questionA paper mill produces two grades of paper viz....

#questionA paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grad

Linear pograming, application area of linear programing problem

application area of linear programing problem

Verification of hypothesis, Analysis of Available Information and Verific...

Analysis of Available Information and Verification of Hypothesis: most of the time that a scientist spends in training is devoted to learning how to analyze and int

Scope, With practical example

With practical example

Limitation - report writing presentation, Limitation  The  report s...

Limitation  The  report should  also point  out the  main  limitation of the  research reported  therein. This  will be helpful  to the reader who can form  his own opinion

LPP, A paper mill produces two grades of paper viz., X and Y. Because of ra...

A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i

General rules, General Rules a. Attractive Shapes The tables  should ...

General Rules a. Attractive Shapes The tables  should be  neat  and  attractive. The size of  table  should be neither too big nor  small. b. Simplicity A table  should b

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