a simple random sample of 30 residents from seattle is taken to estimate the median income of all seattle residents.
is this study
a. representative?
b. non-representative?

A) Representative

Explanation: A representative study is the study which is regarding the a cluster of people that has near about features that is similar to the most of the people of population. The characteristic in the cluster of people are considered as common which display the accurate sample features for the study.

The case mentioned in the question is a representative study case because it includes the residents of the country which tend to has closely matching features of the whole population of the country.

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step-by-step explanation:

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the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)