Question 1
The number of hours worked per week by eight part-time employees are listed below.
15, 20, 25, 30, 32, 35, 40, 42
What is the median number of hours worked?
Medium - Quiz 1
Go beyond basic calculations: handle even-count medians, outlier effects, weighted averages, and data sets that change when values are added or removed.
Question 1 of 5
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Answer question 1 to unlock
Six homes on a street have the following prices, in thousands of dollars:
250, 260, 270, 280, 290, 750
Which measure of center better represents the typical home price on this street, and why?
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Answer question 2 to unlock
A student's final grade is calculated using the following weights: tests count for 70%, homework for 20%, and participation for 10%. The student's test average is 82, homework average is 95, and participation score is 100. What is the student's final grade?
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Answer question 3 to unlock
Two teams each have five players who took the same fitness test. Their scores are shown below.
\[\begin{array}{|c|c|} \hline \textbf{Team A} & \textbf{Team B} \\ \hline 70 & 60 \\ 72 & 68 \\ 74 & 74 \\ 76 & 80 \\ 78 & 88 \\ \hline \end{array}\]
Both teams have the same mean score. Which statement about the spread of their scores is correct?
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Answer question 4 to unlock
A data set of 6 numbers has a mean of 15. When one number is removed, the mean of the remaining 5 numbers is 13. What number was removed?