Page 19 - TB_6B
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2 . The tables show the monthly math test scores of Jessica and Thomas.
Find the mean and median of Jessica’s and Thomas’s math scores.
Month Aug.Sept.Oct.Nov.Dec. Month Aug.Sept.Oct.Nov.Dec. 83
Score 90 96 94 0 100 Score 86 80 77 84
Between the mean and median, which value should be used as a
representative value? Tell who is better at math and explain your answer.
An outlier is a value that is separated from the rest of the data values.
Find an outlier from Jessica’s data values.
I missed a test in November
because I was sick.
That dropped my mean value
incredibly.
The merit and demerit of the median as a representative value are shown
below.
MeritDemerit
The median is easy to calculate, The median only uses the value or
and extreme values do not affect two values in the middle.
the result.
8
Find the mean and median of Jessica’s and Thomas’s math scores.
Month Aug.Sept.Oct.Nov.Dec. Month Aug.Sept.Oct.Nov.Dec. 83
Score 90 96 94 0 100 Score 86 80 77 84
Between the mean and median, which value should be used as a
representative value? Tell who is better at math and explain your answer.
An outlier is a value that is separated from the rest of the data values.
Find an outlier from Jessica’s data values.
I missed a test in November
because I was sick.
That dropped my mean value
incredibly.
The merit and demerit of the median as a representative value are shown
below.
MeritDemerit
The median is easy to calculate, The median only uses the value or
and extreme values do not affect two values in the middle.
the result.
8
