hanks to an initiative to recruit top students, an administrator at a college claims that this year's entering class must have greater mean IQ score than that of entering classes from previous years. The administrator tests a random sample of 21 this year's entering students and finds that their mean IQ score is 115, with a standard deviation of 11. The college cords indicate that the mean IQ score for entering students from previous years is 110. there enough evidence to conclude, at the 0.05 level of significance, that the population mean IQ score, μ, of this year's ss is greater than that of previous years? To answer, assume that the IQ scores of this year's entering class are proximately normally distributed. rform a one-tailed test. Then complete the parts below. rry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H and the alternative hypothesis H
hanks to an initiative to recruit top students, an administrator at a college claims that this year's entering class must have greater mean IQ score than that of entering classes from previous years. The administrator tests a random sample of 21 this year's entering students and finds that their mean IQ score is 115, with a standard deviation of 11. The college cords indicate that the mean IQ score for entering students from previous years is 110. there enough evidence to conclude, at the 0.05 level of significance, that the population mean IQ score, μ, of this year's ss is greater than that of previous years? To answer, assume that the IQ scores of this year's entering class are proximately normally distributed. rform a one-tailed test. Then complete the parts below. rry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H and the alternative hypothesis H
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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