If i were the president of pakistan essay

The results are subject to a potential sampling error; those based on smaller subgroups have a larger potential sampling error. In addition to sampling error, the practical difficulties of conducting any survey of voter opinion may introduce other sources of error into the poll. In theory, in 19 cases out of 20, the results from such polls should differ by no more than plus or minus 2 percentage points nationally, and 3 to 5 points in each state, from what would have been obtained by seeking to interview all voters who cast ballots in each of these elections.

If i were the president of pakistan essay

if i were the president of pakistan essay

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