ects several samples from the manufacturer and records the following learned in Forecasting, determine the following (use four decimal places

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A: Given that.   X~N( μ , ?^2 )   μ=510     , ?=105   Z-score =( x - μ )/?

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A: Solution-; We have given following table: Class fi 15-25 11 25-35 13 35-45 15 45-55 12…

Q: 0 20 40 60 80 12 Force (N) Length (mm) 21 100 185 255 350 2. Use the table of measurements of length…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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A: Given : Actual time = 10.5 sec Performance rating = 1.05 Fatigue allowance = 15 %

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A: The given data is Men(x) Women(y) 61.7 60.4 42.8 74.2 72.6 75.3 57.9 75.4 55.4 49.1…

Q: Recreational Time A researcher wishes to see if there is a difference between the mean number of…

A: Introduction: Denote μ1, μ2 as the true mean number of hours spent weekly in recreational activities…

Q: Express the confidence interval 45.5% ±3.3% in the form of a trilinear inequality. % < p <

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A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Home Ownership Rates The percentage rates of home ownership for 6 randomly selected states are…

A: Given: sample size n = 6   Formula Used: Sample variance S2 = ∑Xi-X2n-1  Sample standard deviation S…

Q: 2. Compute and interpret the sample correlation for the following dataset. Yi 4 50 11 40 3 60 16 30

A: The given data are  xi yi xi*yi xi2 yi2 4 50 200 16 2500 11 40 440 121 1600 3 60 180 9 3600…

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A: Here, mean is 65 and standard deviation is 17. Sample number is 9. We will use z-standard normal…

Q: The average score for games played in the NFL is 21.2 and the standard deviation is 9.3 points. 17…

A: From the given information for part e and f we have x̅~ N (µx̅ , σx̅ )= N(21.2, 2.2556)

Q: What is the correlation coefficient for this data set? r=

A: here given ,  the regression line equation   y = -74.19x + 47.89 so slope = -74.19 y- intercept  =…

Q: Bottled Drinking Water Americans drank an average of 23.2 gallons of bottled water per capita in…

A: GivenMean(μ)=23.2standard deviation(σ)=2.7

Q: Suppose a simple random sample of size n = 36 is obtained from a population with µ-87 and o= 12. (a)…

A: Givensample size(n)=36Mean(μ)=87standard deviation(σ)=12

Q: Assuming that AP Music Theory scores are approximately normally distributed, what score was at the…

A: here given  mean  =  2.99  standard deviation =  1.32

Q: True or False. 1. Continuous data CANNOT be converted into categorical or nominal data. 2. Pearson…

A: The objective is to state whether the given statements are true or false.

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Q: When the following data is displayed in a frequency table of 6 classes, the class length will be:

A: Here number of classes = 6

Q: Rick operates a concession stand serving Iced Tea at the Los Angeles County Fair.  Ben is the only…

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Q: From 12 observations the following results were obtained Σx =125, Σ y =437, Σxy =4997,Σ x2 =1397, Σ…

A: Givensample size(n)=12∑x=125∑y=437∑xy=4997∑x2=1397∑y2=18257

Q: Max owns a car. With probability 0.1 she gets into an accident and is left with $2500 (net). If she…

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Q: Texti 5x1 let for (x)= find MLS.fof. (D). Уч X=1/2 (1+0)/4 ·\1-Q)/4 X23 x=y

A: Given that,  f(x=1, 2) = 1/4 f(x=3) =(1+theta) /4 f(x=4) =(1- theta) /4 We will have to find MLE of…

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Q: A government official estimates that the mean time required to fill out the long form of the United…

A: Null hypothesis: The average weight has gone down. H0 : μ =36. Alternative hypothesis: H1 :μ  ≠ 36

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Q: 1. Population = 1425, Confidence Confidence 2. Population = 9669, Confidence Confidence 3.…

A: here use slovin's Formula

Q: The average score for games played in the NFL is 20.9 and the standard deviation is 9.3 points. 18…

A: GivenMean(μ)=20.9standard deviation(σ)=9.3sample size(n)=18

Q: 0 20 40 60 80 12 Force (N) Length (mm) 21 100 185 255 350 2. Use the table of measurements of length…

A: Given: Force Length 0 21 20 100 40 185 60 255 80 350