What sample size would be required in an international study if the researcher wanted an error term of no more than .20 points on a scale of "1= very dissatisfied with this product" to "10 = very satisfied with this product" and a level of confidence of 95%? Assume a standard deviation of 2 scale points.

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The Answer of What sample size would be required in an international study if the researcher wanted an error term of no more than .20 points on a scale of "1= very dissatisfied with this product" to "10 = very satisfied with this product" and a level of confidence of 95%? Assume a standard deviation of 2 scale points.

What Sample Size Would Be Required in an International Study