What should the veterinarian do? O increase the confidence level O None of the answer options are correct. O choose a z interval instead of a r interval, since a z interval is not affected by outliers O drop the outlier and recalculate the sample mean and the standard deviation, then proceed with ar interval

Q: From the data given below construct a business activity index number both weighted and unweighted.

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A: From the above data we are given that  A researcher wants to know whether people who regularly…

Q: Answer the following items by calculating the probability of committing an error. Given: µ = 300, &…

A: Given information:- μ=300, x¯=290σ=25, n=35

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Q: Suppose that X is a normal random variable with mean μ = 200 and standard deviation σ = 40. What is…

A: Given that.   X~N( μ , ?^2 )   μ=200     , ?=40   Z-score =( x - μ )/?

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A: Given (A) mu = 83, Xbar = 85, the sample standard deviation = 2  and n = 49 (B)  mu = 98.6, Xbar =…

Q: Express the confidence interval (0.058,0.154) in the form of p-E<p<p+E. .. <p< (Type integers or…

A: We have given that  Confidence interval is  (0.058, 0.154)

Q: 64 -32- 16 270-80 64 48-32-1 52-48-64-8090 -16 -48 64- 180 of83-9-8- e-8-9-38-8

A: From given figure ,by observing it we can drawn the following observations are:

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A: Given, Correlation coefficient is r=-0.787 Match the scatter diagram.

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A: Given that Let X be a random variable that represents the level of glucose in the blood (milligrams…

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A: Given  Population mean μ=3, standard deviations σ=2.9, n=40  Note: n&gt;30, so we can use standard…

Q: 3 The mass of packages from a particular machine are normally distributed with a mean of 200g and…

A: Given that : u = 200 g  ?2 = 9 g  By using standard normal distribution to solve this problem.

Q: hypothesis? Null Hypothesis f. What is the test statistic for the given statistics? g. What is the…

A: Given that  Sample size n =39 Sample mean =616.9 Standard deviation =51.6

Q: Grand Sun Buffet is a large restaurant chain. After paying for a meal at Grand Sun Buffet, customers…

A: Given that n =7,sigma =1.82,mu =4.57

Q: obtained from a population that is skewed right with a U=78 and Q =8. A. the distribution is…

A: Given that ; μ = 78 n = 36  ? = 8 By using standard normal distribution to solve this problem.

Q: In class, we only discussed computational specifics of one of three types of t-tests. However, we…

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A: Which of the following describes the test of independence? Select the correct choice

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Q: INSTRUCTION: EXPLAIN THE STEP BY STEP SOLUTION IN SENTENCES/PARAGRAPH. An adult rabbit's average…

A: Given that,  Mean = 30 Standard deviation = 4  We have to find the probability that adult rabbits…

Q: Which of the following describes the goodness-of-fit test?   It tests variability.   It is…

A: Here, we know that, in the Chi-square goodness of fit, we see homogeneity of the observations.

Q: What is the value of the test statistic for a test with a null hypothesis that mu = 83, Xbar = 87,…

A: Givenpopulation mean(μ)=83sample Mean(x)=87standard deviation(σ)=4sample size(n)=50

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A: A researcher is examining differences between women and men. The researcher wants to know if men…

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A: Given that  Sample size n =1666 Sample mean =2.62 Population standard deviation =11.52

Q: Consider the value of t such that the area to the left of-l plus the area to the right of Ir equals…

A: We have to find t such the area to the left of -| t | plus area to the right of | t | equals 0.02…

Q: Match the histograms on the right to the summary statistics given. Standard Mean Median Deviation 50…

A: Clearly form the Histograms, we can conclude that I - a II - b III - c IV - d

Q: The median for the given set of six ordered data values is 31.5. 7 12 23_ 41 49 What is the missing…

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Q: For how many months should the satellite be insured to be 95% confident that it will last beyond the…

A: Here AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPART      A relay microchip in a telecommunications…

Q: Express the confidence interval 363.3 < u < 515.9 in the form of a + M. a + ME =

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Q: A. What is the value of the test statistic for a test with a null hypothesis that mu = 100, Xbar =…

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Q: in crib(Cr).The researchers wanted to see if th

A: For co-sleepers : sample size (n1) = 5 sample mean (x̄1) = Σx1 /n1 =32/5 = 6.4 sample standard…

Q: Illustration 21.11. In a sample study about the coffee habits in two towns following data was…

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Q: 1. You want to know the number of fans at the Miami Dolphins and Dallas Cowboys game that think the…

A: Below is

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Q: Illustration 22.2. Compute the gross and net reproduction rates. from the data given below: Age…

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Q: A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What…

A: It is given that margin of error (E) is 0.04 and the confidence level is 99%.

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 20 for the population…

A: It is given that confidence level is 0.95, standard deviation is 20 and the margin of error E is 4.…

Q: 1llustration: 23.3. C-Chart. Following 20 figures correspond to the number of defects (spots) in 20…

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Q: A manufacturer of floor polish conducted a consumer-preference experiment to determine which of five…

A: Solution: Given information: k = 5 Categories n= 100 Sample size  α= 0.10 Level of significance

Q: CNNBC recently reported that the mean annual cost of auto insurance is 977 dollars. Assume the…

A: Let X be the random variable from normal distribution with mean (μ) = 977 dollars, standard…

Q: The following figures are the production data of a sugar factory. Year : |1988 |1989 |1990 1991 1992…

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Q: You conduct a hypothesis test. Assuming you have made no errors in your calculations, what should we…

A: Hypothesis Testing: Hypothesis testing is a statistical inference that comprises drawing conclusions…

Q: he critical values for a (two sided) hypothesis test at the 90% level are: Group of answer choices…

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Q: A sample of 149 was found to have a standard deviation of 6.9. An interval estimate for μ based on…

A: Given that  n=149 , S=6.9  C.I=(25.93275 , 28.58725)

Q: used to enhance the growth r a specific period of time. The sured in centimeters, were recon

A: By applying the ANOVA test for a single factor,

Q: Researchers were interested to know if women were in fact prefer the colour pink . A survey was…

A: Given that researchers were interested to know if women were in fact prefer the colour pink . A…

Q: Answer the following items by calculating the probability of committing an error. Given: µ = 300, &…

A: μ = 300σ = 25n = 35x = 290