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MakcuM [25]
3 years ago
13

Which name is accurately describes the figure shown below and why?

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0
Where is the figure?
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The following information is obtained from two independent samples selected from two normally distributed populations.
AysviL [449]

A. The point estimate of μ1 − μ2 is calculated using the value of x1 - x2, therefore:

μ1 − μ2 = x1 – x2 = 7.82 – 5.99

μ1 − μ2 = 1.83

 

B. The formula for confidence interval is given as:

Confidence interval = (x1 –x2) ± z σ

where z is a value taken from the standard distribution tables at 99% confidence interval, z = 2.58

and σ is calculated using the formula:

σ = sqrt [(σ1^2 / n1) + (σ2^2 / n2)]

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σ = 0.988297

 

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Confidence interval = 1.83 ± 2.55

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3 years ago
Pat can use up to 150 feet of fencing to put around a rectangular garden.
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Suppose the linear regression line y = 3.27x + 1.52 predicts the weight of a large dog, in pounds, x weeks after it is born. Abo
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3 years ago
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