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The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to 4000 people. The effect of this...


The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to 4000 people. The effect of this increase is:

a.increase the standard error of the estimate
b. decrease the standard error of the estimate
c. have no effect because the size of the population is still the same
d.eliminate any bias in the sample

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