Mathematics, 28.11.2019 00:31 gabbym39077
In spring 2017, data was collected from a random selection of sta 2023 students. one of the questions asked how many hours they had volunteered in the past 24 hours. for the 39 randomly selected upperclassmen, the sample mean was 0.12 and sample standard deviation was 0.42. for the 35 randomly selected underclassmen, the sample mean was 0.34 and the sample standard deviation was 0.87. what is the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen?
Answers: 3
Mathematics, 22.06.2019 00:30
Given abc find the values of x and y. in your final answer, include all of your calculations.
Answers: 1
Mathematics, 22.06.2019 02:00
Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.
Answers: 2
In spring 2017, data was collected from a random selection of sta 2023 students. one of the question...
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