• “ Since 1999 - over 4 million member respondents on 24 pre-classified online survey panels from   and more than 40 countries ”

  • “ Over one and a half decade experience of catering to marketers by linking to the consumers thru CAWI | CATI | PAPI | F2F | FGD | IDI ”

  • “ An array of Turnkey Projects and Project Feasibility Reports numbering in excess of 350 nos. done for several and various industries since 18 years ”

  • “ Since 1999 - Scores of Chartered Engineer Certificates and Valuation Reports done as per need of financial institutions, customs & excise, high courts and other compliance agencies ”

  • “ Over a million man-hours Training Program and Skill Upgradation Workshops delivered since 18 years : MDP, EOP, CTP, OBT in public and in-house domain ”

  • “ Available are more than 450 training modules and over 800 faculties from 09 country locations ”

  • “ Since 2010 - manufacturing and supplying plastic packaging and disposable items as also meeting demands of engineering goods and hospitality items ”

Enquiry Form
Difference in Proportions Test

For example, if 85% of Americans in the north are online and 77% of Americans in the south are online is that difference real or the result of random chance?

To determine if the difference is significant follow these steps:



  • Plug in the sample size for each of the independent groups.
  • Plug in the proportions that you wish to test.
  • Select a confidence level.
  • Click on Calculate.


  • Note: this procedure can be validly employed only if both samples satisfy the standard binomial requierement that n*p and n(1-p) must both be equal to or greater than 5, where n=samples size and p=percentage.

    Sample 1 —
    Total sample size from population #1.
    Sample 2 —
    Total sample size from population #2.
    Percentage 1 %
    First percentage for comparison
    (60% would be entered as 60 not .60).
    Percentage 2 %
    Second percentage for comparison
    (60% would be entered as 60 not .60).
    Confidence Level (choose one)
    %
       
    Answer:
    Projects Delivered for Brands