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Confidence Interval

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A music teacher asks six randomly selected students how many hours per week they practice their instrument. the teacher receives the following answers:10,12,8,9,16,5. Find a 90% confidence interval for the average length of time that a student pratices each week.

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A music teacher asks six randomly selected students how many hours per week they practice their instrument. the teacher receives the following answers:10,12,8,9,16,5. Find a 90% confidence interval for the average length of time that a student pratices each week.

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Then we calculate the average length of time, which is the mean of X. i.e. Xm=10
<br>(the calculation can be referred to the attached EXCEL file)
<br>The standard ...

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.