Answer:
D. The samples are independent because there is not a natural pairing between the two samples
explanation:
Independent samples do not affect each other as each group is selected randomly. They are common in statistical analysis, example: when there is a control group and an experimental group and the subjects for each group are different. In the above example, the samples do not depend on each other. There are 90 randomly selected married men in one group and 90 randomly selected married women in the other. The subjects are different in the two groups and so they do not affect each other. This is unlike dependent/paired samples where for example same subjects are used before and after a medication and therefore each group affects the other.
Answer:
stacy's response is correct.
Step-by-step explanation:
in geometry class, they are asked to describe the dimensions of a plane based on the components that create a plane. stacy states that a plane has two dimensions because it is made up of an infinite number of lines.
Answer:
35
Step-by-step explanation:
Check the picture below.
about ∡QML
well, QM is a diameter chord, and LM is a tangent line, the point of tangency is always a right-angle, as you see it in darkred there.
about ∡PMN
well, first off, let's notice the inscribed angle of 27°, by the inscribed angle theorem, that means the intercepted arc is twice that much, as you see it there in green.
QM is a diameter, so the arcQPM is 180°, if we subtract the 54° from arcPQ, we're left with the arcPM you see there of 126°.
by the tangent-chord angle theorem, ∡PMN is half of arcPM.
Answer:
0.5-> 16 1->32 1.5->48 4->128