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Luden [163]
3 years ago
7

What is 15-4x=-10-11x

Mathematics
2 answers:
mariarad [96]3 years ago
5 0
Both side plus 10
25-4x=-11x
then both side plus 4x
25=-7x
x=-25/7
S_A_V [24]3 years ago
4 0
That would be x = -25/7
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Answer:

For systolic pressure data:

\bar X =127.2\\\\S=17.91668\\\\CV=\frac{17.91668}{127.2}=0.14085

For diastolic pressure data:

\bar X =73.5\\\\S=12.54\\\\CV=\frac{73.5}{12.54}=0.17061

Systolic pressure is slightly less variable, among individuals in the sample, than diastolic pressure.

Step-by-step explanation:

The coefficient of variation is defined as the percentage relative variation of a set of data with respect to its average. And it is calculated like this:

CV=\frac{\bar X}{S}

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For systolic pressure data:

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For diastolic pressure data:

\bar X =73.5\\\\S=12.54\\\\CV=\frac{12.54}{73.5}=0.17061

It is observed that the systolic pressure shows greater standard deviation but less coefficient of variation. This is due to the greater magnitude of its measurement scale.

Systolic pressure is slightly less variable, among individuals in the sample, than diastolic pressure.

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Will mark brainliest and give 20 points!
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Step-by-step explanation:

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