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shepuryov [24]
3 years ago
13

A study published in Health Magazine in 2010 suggested that a combination of high blood pressure and binge drinking have an incr

eased risk of having a stroke or heart attack. As part of a study that followed 6100 South Korean men aged 55 and over for two decades, men with high blood pressure who binge drank even occasionally had doulbe the risk of dying from a storke or heart attack when compared to those who didn't drink and had normal blood pressure.
What type of study is this?

Randomized Experiment

Retrospective study

Prospective study

Matched Pairs experiment.
Mathematics
1 answer:
nekit [7.7K]3 years ago
6 0

Answer:

This is a Retrospective study

Step-by-step explanation:

Retrospective study is a study that compares two groups of people; those with disease or condition under study and a very similar group of people who do not have the disease or condition.

Here they are compring those men with high blood pressure who drank and those with no high blood pressure and don't drink.

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Nezavi [6.7K]
<span>4^2 x 4^8 = 4^(2+8) = 4^10

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Answer:

False

Step-by-step explanation:

given that a race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 4.85 seconds with a standard deviation of 1.47 seconds.

Sample size n = 20

since population standard deviation is not known, we can use t critical value for finding out the confidence interval

df=19

t critical = 2.045

Margin of error = 2.045*\frac{s}{\sqrt{n} } \\=2.045*\frac{1.47}{\sqrt{20} } \\=0.6722

conidence interval = Mean±Margin of error

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The given confidence interval is (4.52, 5.18)

Hence the statement is false.

5 0
3 years ago
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Answer:

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Answer:

Step-by-step explanation:

since there are 205 calories in 5 crackers we can represent this as

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Number line:

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