18. Explain the general principle used to train linear regression models.

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A: The histogram can be denoted as,

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A: Given,P(A)=0.2P(B)=0.3P(A∩B)=0.1

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A: Use the Excel and Calculate the Correlation  Followings are the Steps to calculate the Correlation…

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A: Given: Sample size n=50 The sample is drawn from a normally distributed population.

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A: A random variable is normally distributed with mean 16 and variance 1.5625 μ=16.5σ2=1.5625σ=1.25

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A: Given that  P value =0.005%

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A: Consider that p as the true population proportion.

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A: n=90 Population standard deviations=7 At 5% level of significance

Q: Given Information Test-Statistic Letter Value 1. u = 65. x = 63, s 2. µ = 92, o = 6, x = 96, s = 5,…

A: As per our guidelines we are suppose to answer only three subparts 1)Givenμ=65x=63s=4n=20

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A: Given that  size n = 41  sample mean x = 44.5 and sample standard deviation s = 4.7.

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A: Given: Sample size, n=90 bulbs Sample mean, x¯=44Population sd, σ=7

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A: Given that

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A: Given that  Margin of error =E =15 Population standard deviation =80

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A: Given: Sample size, n=350 No. of women, x=140

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A: Here we need to find out the probability from a normal curve by using Empirical rule.

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A: For the given data u Perform t-Test: Two-Sample Assuming Equal Variances