Hi with a few (mean, median) math questions!
1. a student wants to report on the numb...
Mathematics, 16.10.2019 09:30 helper4282
Hi with a few (mean, median) math questions!
1. a student wants to report on the number of movies her friends watch each week. the collected data are below:
1st pic attachment
which measure of center is most appropriate for this situation and what is its value?
median; 1.5
median; 3
mean; 1.5
mean; 3
2. if the outliers are not included, what is the mean of the data set?
76, 79, 80, 82, 50, 78, 83, 79, 81, 82
77
78
79
80
3. given the box plot, will the mean or the median provide a better description of the center?
2nd pic attachement
the mean, because the data distribution is symmetrical
the mean, because the data distribution is skewed to the left
the median, because the data distribution is skewed to the left
the median, because the data distribution is skewed to the right
4. when the outliers are removed, how does the mean change?
3rd pic attachement
the mean remains the same.
the mean decreases by 2.
the mean increases by 2.
there are no outliers.
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