The students of a university are divided into 3 faculties having 1,750, 2,000 and 1,250 students respectively.
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Question:
The students of a university are divided into 3 faculties having 1,750, 2,000 and 1,250 students respectively. In the 3 faculties, we take simple random samples of 25, 75 and 50 students respectively in order to estimate the total amount spent by all the students of this university for school materials in the 2017 winter session. descriptive statistics of the sample of the amount spent on school materials by the 150 students in the sample:
Estimate the total amount spent by all students of this university for school materials in the winter semester 2017, and calculate the margin of error corresponding to a risk of error of 5% of this estimate.
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Related Book For
Statistics Unlocking the Power of Data
ISBN: 978-1118583104
1st edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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