Testing of Proportions

While dealing with proportions in statistics, it is imperative that you should remember that there will be a hypothetical situation and research questions that are mostly answered will have hypothesis test for a single proportion.

 A test of proportion is used for assessing whether a specific sample is representative of the true proportion from an entire population. To deal with this, both Critical Value and P-Value approach is used.

How to conduct it?

  • There is a simple random sampling method that is available
  • Sample has to include at least 10 successes and failures
  • Population size has to be 20 times of the actual sample size
  • There are specifically 2 outcomes that are attributed to this sample: Success and Failure

There are 4 steps that are to be found here:

  1. Initially the hypotheses has to be stated
  2. Next an analysis plan has to be formulated
  3. Next the available sample data has to be analyzed against the new backdrop
  4. Final results are to be interpreted and sample population has to be found.

Here are sums to give you a proper idea of this process.

Testing of Proportion 1

Testing of Proportion 2

Testing of Proportion 3

Testing of Proportion 4

Testing of Proportion 5

Testing of Proportion 6

Testing of Proportion 7


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