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just olya [345]
3 years ago
6

Determine what type of observational study is described. Explain. Vitamin D is important for the metabolism of calcium and expos

ure to sunshine is an important source of vitamin D. A researcher wanted to determine whether osteoperosis was associated with a lack of exposure to sunshine. He selected a sample of 250 women with opteoperosis and an equal number of women without osteoperosis. The two groups were matched in other words they were similar in terms of age, diet, occupation, and exercise levels. Histories on exposure to sunshine over the previous twenty years were obtained for all women. The total number of hours that each woman had been exposed to sunshine in the previous twenty years was estimated. The amount of exposure to sunshine was compared for the two groups. a.cohort; Individuals are observed over a long period of time. b.cross-sectional; Information is collected at a specific point in time. c.retrospective; Individuals are asked to look back in time Question 15 4 pts
Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0

Answer:

thats too long to read but good luck!

Step-by-step explanation:

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What is 358 rounded to
Helga [31]
The answer to your question is 360
7 0
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A bag contains four red marbles, three blue marbles, and three yellow marbles. You randomly pick three marbles without replaceme
Dennis_Churaev [7]
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4 years ago
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Word problem One of the citizens has 97 silver coins. How many bronze coins would it take to equal this amount
natita [175]

Given: Given that a citizen have 97 silver coins.

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7 0
3 years ago
Peter created a presentation for his boss showing the average number of copies the accounting department makes during a one week
Sergeeva-Olga [200]

The <em><u>correct answer</u></em> is:

A box and whisker plot

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A box and whisker plot, or a box plot, displays what is called the "five number summary."  This includes:

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7 0
3 years ago
What is the y-intercept of the function described in the table?
lord [1]

Answer:

the y-intercept is 2.

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1 and -2

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Making the y-intercept 2.

3 0
3 years ago
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