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Shtirlitz [24]
3 years ago
15

Question is on pic :)

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
5 0

Answer:

Number 1 is nonlinear because the line is not straight and number 2 is linear.

Step-by-step explanation:

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The 99% confidence interval for the true mean is given by:

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69.7\pm2.58\left( \frac{2.8}{\sqrt{772}} \right)=69.7\pm2.58(0.1008) \\  \\ =69.7-0.26\leq\mu\leq69.7+0.26 \\  \\ =69.44\leq\mu\leq69.96
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