# Math

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a technician draws 10 cc of a patients blood to be tested for cholesterol and for red blood cells.

identify

a.the sample
b.the population
c. the variable being studied

i attempted but im not sure if its right...i said

a) the 10 cc of blood
b) the patients blood
c)the blood is being tested but do i out that or what its being tested for

• Math -

a) and b) look ok. The problem states what the variables are: You want to find the values of cholesterol and red blood cell count. (two variables) Probably the actual variables are

cholesterol concentration (mg/cc)
blood cells (no./cc)

or some such units

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