Asked by Mary Ann
Evaluate the given expressions (to two decimal places).
2(90)+5(80)+10(70)+3(60)+3(50)+4(40)= than divide by 25
mean =70.8
median =70
mode =70
range = 50
2(90)+5(80)+10(70)+3(60)+3(50)+4(40)= than divide by 25
mean =70.8
median =70
mode =70
range = 50
Answers
Answered by
Damon
I do not understand.
is your data set
2 90 s
5 80 s
10 70 s
etc?
if so I count 27 data points not 25
is your data set
2 90 s
5 80 s
10 70 s
etc?
if so I count 27 data points not 25
Answered by
Damon
mean = 1770/27 = 65.56
mode is clearly 70 if there are ten of them
median, there are 10 below 70 and 4 above 70 so the median is in your 70 group, yes
the range is from 40 to 90 so yes 50
mode is clearly 70 if there are ten of them
median, there are 10 below 70 and 4 above 70 so the median is in your 70 group, yes
the range is from 40 to 90 so yes 50
Answered by
Mary Ann
thank you very much Damon.
Answered by
Damon
You are welcome :)
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