An IQ test is designed to have scores that have a standard deviation of c10. A simple random sample of students at a lar
Posted: Wed May 11, 2022 5:50 am
An IQ test is designed to have scores that have a standard deviation of c10. A simple random sample of students at a large university will be given the test in order to construct a 95% confidence interval for the mean IQ of all students at the university. How many students must be tested so that the margin of error will be equal to 3 points? The sample size required for the desired margin of error is - (Round your answer to next whole number.)