Which number describes the median of the data given in the table?
1 answer:
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The graphic shows the appropriate choice to be
C) Scores above 77
C) Scores above 77
We have that the sample consist in n=13 students. The percentile formula is given by
where x denotes the percentaje. In the first case, p=38, then, we have
then, we get
that is, P_38 corresponds to 41 miles driven.
In the second case, by substituting x=60 in our formula, we get
which gives
that is, P_60 corresponds to 56 miles driven.
Then, the answers are:
This means that approximately 38% of the data lie below 41, when the data are ranked.
This means that approximately 60% of the data lie below 56, when the data are ranked.
Answer:
Step-by-step explanation:
GIVEN: Lisa, an experienced shipping clerk, can fill a certain order in hours.Bill, a new clerk, needs
hours to do the same job.
TO FIND: Working together, how long will it take them to fill the order.
SOLUTION:
Total hours taken by Lisa hours
Total hours taken by Bill hours
Let the total time taken when working together be hours
Now,
Total time taken by Lisa and Bill when working together
hours
Hence Lisa and Bill will take hours to fill the order when working together.