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3 years ago

Why is it important to match case subjects and control subjects so closely in a case-control study?

1 answer:

3 0

In every experiment, control plays an important role. In a case-control study, the control subject does not change while the case subjects might differ in characteristics from each other. A case-control study is used to identify the factors contributing to a medical condition. A case subject refers to people actually suffering from the disease. A control subject refers to people who are suffering from the disease but similar to the case study.
It is very important to match case subjects and control subject to compare and contrast the results obtained from the experiment and to derive a conclusion. The control subject also keeps a track of the experiment.

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grandymaker [24]

Dang this question is pretty hard

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3 years ago

In making about what to consume, person's goal is to

Inessa05 [86]

Answer:

allocate her limited income among all the products she wishes to buy so that she receives the highest total utility is the correct answer.

Explanation:

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3 years ago

You will receive annual payments of $800 at the end of each year for 12 years. The first payment will be received in Year 3. Wha

Aneli [31]

Answer:

Option (d) $5,549.96

Explanation:

Data provided in the question:

Annual payments = $800

Time, n = 12 years

Discount rate, r = 7% = 0.07

Now,

PV2 = Annual payments × ((1 - (1 + r)⁻ⁿ)) ÷ r ) × (1 + r)

= $800 × ( (1 - ( 1 + 0.07)¹²)) ÷ 0.07) × (1 + 0.07)

PV2 = $6,354.15

Therefore,

Present value today = PV2 ÷ (1 + r )²

= $6,354.15 ÷ (1 + .07)²

= $5,549.96

Hence,

Option (d) $5,549.96

3 0

3 years ago

When you choose, you are never accountable for the resources used and paths selected?

labwork [276]

If the question is trying to ask whether it is true or false, the answer is false. It is because whatever you chose or the decisions you make, there is always a cause, or things affecting your decision in which you will be held accountable for such as the statement above implies, you are accountable of resources and such when you choose.

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4 years ago

The Tattle Teller has a printing press sitting idly in its back room. The press has no market value to another printer because t

Mrac [35]

Answer: $480

Explanation:

Given that,

Scrap value of metal = $480

press is six years old, Original cost = $174,000

Current book value = $3,570

Since, we know that the realizable value of the printing press is only $ 480, so tattle teller should assign the same as the initial cost of the new project.

Hence, $480 will be the initial cost of press for the new project.

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3 years ago