3. Scores of ten students in Chemistry and Statistics examinations are as follow: 75 80 45 18 36 70 55 40 85 95 48 95 Chemistry 21 82 50 Statistics 45 95 60 65 75 Test the significance of correlation between the scores in Chemistry and Statistics of the students. Use at 0.05 level of confidence.

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A:

Q: (C) Based on your answers to part (B), would you conjecture that the histogram is approximately bell…

A:

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A: For a recent year, the following are the numbers of homicides that occurred each month in a city.…

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A: It is given asMean = 1.8Standard deviation = 2.9Sample size = 45

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A: We have given that, X1 = 1515n1 =  7S1 =  419X2 = 1199n2 =  11S2  = 202Alpha = 0.05(a) Pooled…

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A: From the provided information,Mean (µ) = 20Standard deviation (σ) = 0.07

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A: To find the conditional probability P(X < 9 | X = 7), we can use the definition of conditional…

Q: The article "Optimization of Surface Roughness in Drilling Using Vegetable-Based Cutting Oils…

A: x1x2x3y3200.1152.273200.12204.143200.14254.694200.1201.924200.12252.634200.14154.345200.1252.035200.…

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A: Given that P0 = 0.38 n=160

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A: p=25%, n=600

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Q: How did you get 0.98 from NORM.INV(0.98,0,1)?

A: p=0.32E=0.04

Q: g) What is the probability a randomly selected student fails the homework (scores less than 70)? The…

A: From the given data,The scores which are less than 70 :36,47,53,59,60,65,65,68,68,69Number of scores…

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A: The ANOVA output is provided as follows:Source of…

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A: μ=7520,n=49,σ=910,x¯=7312Note: According to the Bartleby guidelines expert solve only one question…

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A: PatientChange in New…

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A: The following solution is provided below :

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A: The hypothesis is

Q: b) Two events Y and Z are such that P(Y) = 4x, P(Z) = 5x and P(YnZ) = 2x (x * 0). i) Find P(Y U Z)…

A: Two events Y and Z are such that P(Y) = 4x P(Z) = 5x and P(Y cap Z)= 2x ( x≠0)i) Find P( YUZ) in…

Q: ANOVA           df SS MS F regression   863   20.8 residual   282     total 78 1145     Determine…

A: Given information, Total df, (n-1) = 78 SSregression = 863SSresidual = 282And F = 20.8 Using…

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A: yx37723771327836753381357739683476

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A: r=0.299

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A: xp(x)00.122410.197820.251530.290240.1381Find mean of given probability distribution.

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A: μ=85,n=36,σ=6

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A:

Q: the transformation, what are the values for the mean and standard deviation for the sample of…

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Q: Steel rods are manufactured with a mean length of 20 centimeter (cm). Because of variability in the…

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A: The following solution is provided below

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Q: Please do not give solution in image format thanku   1. The value of "t" chosen for constructing…

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Q: Below are the numbers of goals scored by lead scorers of the New Jersey Devils hockey team in the…

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Q: Suppose you conduct 17 independent hypothesis tests each at the 8% significance level. Assume that…

A: Given that,Significance level  = 8% = 0.08Probability of making type I error = 0.08