Suppose we want to estimate the proportion of college students who have a high level of stress. In a previous homework assignment, we looked at
Suppose we want to estimate the proportion of college students who have a high level of stress. In a previous homework assignment, we looked at a sample of 253 college students and found that 56 ofthem had high levels of stress.1 What proportion of students in the sample had a high level of stress? Round to four decimal places. Hint 0.2213 I o' lOnyper, 5., Thacher, P., Gilbert,l., & Gradess, S. (2012). Class start times, sleep, and academic performance in college: A path analysis. Chronobr'ology international, 29(3): 318335. Question Help: E Message instructor E Calculator Submit Question ll 13} Recall that when the sample size is large enough. we can use in place of This is called the standard error. which is the estimated standard deviation of sample proportions. It is the measure of sample-to-sample variability. We will use the standard error to help us convey information about the accuracy of our point estimate] Calculate the estimated standard deviation for the sample proportion for the scenario in Question 1. Round your answer to 2 decimal places. Question Help: E Message instructor E Calculator Submit
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