What is the area of this trapezoid? Enter your answer in the box.
2 answers:
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Answer:
Step-by-step explanation:
we know that
The area of rectangle is equal to
where
L is the length of rectangle
W is the width of rectangle
In this problem we have
substitute
Apply distributive property
Answer:
a) Mean=0 and Standard deviation=1
b) The z-scores have no units of measurement
Step-by-step explanation:
When we convert all the pulse rates of women to z-scores using the formula;
the mean is 0 and the standard deviation is 1.
The reason is that, the resulting distribution of z-scores forms a normal distribution which has a mean of 0 and a standard deviation of 1.
b) The z-scores are standardize scores and has no units of measurement. They give us how many standard deviations below or above the mean of the corresponding values.