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Author Question: In order to estimate the average time spent on the computer terminals per student, data were ... (Read 57 times)

shivanipalawai@gmail.com

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Question 1

In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected. The mean of the sample is determined to be 23. The number of degrees of freedom for reading the t value is


22


23


60


61



Question 2

In order to estimate the average time spent on the computer terminals per student, data were collected for a sample of 49 business students over a one week period.  Assume the population standard deviation is 1.4 hours.  The standard error of the mean is


0.20


0.30


5


7



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Marked as best answer by shivanipalawai@gmail.com on Mar 25, 2023

xinyiff

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shivanipalawai@gmail.com

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Reply 2 on: Mar 25, 2023
:D TYSM


abro1885

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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