A farmer wishes to work out the average milk yield in his herd that consists of an equal number of Ayrshire, Friesian, Galloway, and Jersey cows.Suppose the farmer selects the first 3 cows of each type that he milks to be in his sample. What type of sampling is being used?
A. capture-recapture
B. stratified sampling
C. quota sampling
D. convenience sampling
E. simple random sampling
Answer: C
Mathematics
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What will be an ideal response?
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Add. Do not use a number line except as a check.-21 + (-25) + (-24) + (-5)
A. -75 B. -33 C. 15 D. 17
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Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.y
- 
A. 2y
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B. -3y
C. y
D. (y + 1)
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Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.32,485
A. 5, 10 B. 2, 5, 10 C. 5 D. 10
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