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Vedmedyk [2.9K]
3 years ago
10

Why is a sample of 1000 people better than a sample of 100 people?

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

The more people the more results you can factor into a situation. Like testing if you tested 100 there might be a low number of people testing positive but 1000 would be better as you'd have more tested positive and more info to look at if maybe a disease if gene related.

Genrish500 [490]3 years ago
8 0

Answer:

More diversity and you get a better data.

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The mean and standard deviation of a normal distribution are 150 and 12
fomenos

a) (150 - 138) / 12 = 1 deviation or 34%

(162 - 150) / 12 = 1 deviation or 34%

34% + 34% = 68%

b) (150 - 126) / 12 = 2 deviations or 47.5%

(174 - 150) / 12 = 2 deviations or 47.5%

47.5% + 47.5% =95%

c) (150 - 126) / 12 = 2 deviations or 47.5%

(162 - 150) / 12 = 1 deviation or 34%

47.5% + 34% = 81.5%

d) (162 - 150) / 12 = 1 deviation or 34%

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This problem is a little different. We have to subtract 34% from 47.5%

47.5% - 34% = 13.5%

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9 meters of gold wire. How long is the wire in millimeters?
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