Does the median of a data set have to be a value of the data set? Explain
2 answers:
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Answer:
x =
y =
Step-by-step explanation:
the ratio of the sides of a 45 - 45 - 90 triangle is shown at the bottom of this answer.
as you can see, it is x:x:
The side given is x, so you have:
divide both sides by
x =
multiply this by
y is also equal so y =
Answer:
16
Step-by-step explanation:
The sample mean for machine #1 is obtained by simply adding up the four sampled units of output for the machine (17, 15, 15, 17) and then dividing the result by four:
Therefore, the sample mean for machine #1 is 16.