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Lera25 [3.4K]
3 years ago
15

Two new devices for testing blood sugar levels have been developed. How do these devices compare? You test blood sugar levels of

20 diabetics with both devices and use the matched pairs t test. the one-sample t test. the two-sample t test.
Mathematics
1 answer:
Ber [7]3 years ago
6 0

Answer:

The matched pairs t test.

Step-by-step explanation:

You test blood sugar levels of 20 diabetics with both devices and use B. the matched pairs t test.

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Y=2x+7 <br><br> 3x-y=-9<br><br> Solve each system of equation by the substitution method.
givi [52]
Plug in the first equation into the he second equation

3x-(2x+7)=-9
3x-2x-7=-9
x-7=-9
x=-2

plug in x=-2 into the first equation

y=2(-2)+7
y=-4+7
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answer: (-2,3)
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3 years ago
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Emotional sate or a person:
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marysya [2.9K]
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