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

Understandibg concepts, what are the preconceptions do you bring to the stu...

what are the preconceptions do you bring to the study of research

lp-model and markov decision problem, The supply of a certain good is insp...

The supply of a certain good is inspected periodically. If an order is placed of size x >0 (integer), the ordering costs are 8+2. x. The delivery time is zero. The demand is stoc

Management Applications of Operation Research, Some areas of applications a...

Some areas of applications are Purchasing, Procurement and Exploration Quantities and timing of purchase Replacement policies Rules for buying, supplies Finance, Budgeting and Inv

Word problems based on formulation of linear programming, Word problems bas...

Word problems based on formulation of linear programming problems. 2.   A manufacturer produces nuts and bolts for industrial machinery. It takes 1 hour of work on machine 1 an

Process, process of operation research

process of operation research

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

Policies, POLICIES, NORMS AND STANDARDS: Information source; building,...

POLICIES, NORMS AND STANDARDS: Information source; building, an important function of the library, should be based on sound policies and programmes.  The basic question of

Coding and retrieval , Coding  and Retrieval  If all your  data ar...

Coding  and Retrieval  If all your  data are  word processed on in some  other  computer readable form  it will  be possible  for your  primary  documents  to be accessed d

Answer, explain operation research with example.and also discuss the scope ...

explain operation research with example.and also discuss the scope of OR in modern management.

I need answer for the below question, A paper mill produces two grades of p...

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

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