use the following weighted to recalculate each student's average
English 3
math 3
chemistry 2
history 2
phys.Ed 1
Nick:
Zach
overall who has the higher mark
calculate a 10% trimmed mean for the data set
consider your values for the mean and the trimmed mean. which statistics is a better indicator of how most students will perform on the test? explain you choise
Average= Total weighted divided by 2
Average=(3+3+2+2+1) divided by 2
Average=11/2=5.5
"0.1 trimmed mean= 0.9\\times 5.5=4.95"
Trimmed mean is better indicator because it caters for outliers and errors
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