I want to explain these output

Q: What is the average of  2.0, 32.0, 44.0, 14.5, 7.5 ?

A: For a set of n observations, x1, x2, ... , xn, mean or average is given by, This is measure of…

Q: Given the information, find the equation for the least squares line as well as the correlation…

A: Followings are the explanation of the question. Calculate the Correlation Coefficient

Q: Conduct the hypothesis test and provide the test statistic and the critical value, and state the…

A: Given: The four categories are equally likely to occur this means that the probability of each…

Q: According to a recent​ report, 45​% of college student internships are unpaid. A recent survey of 80…

A: a. Part 1: Suppose π as the true proportion of college interns that had unpaid internships.

Q: Find the critical value zα/2 that corresponds to the given confidence level: 92%.

A: Givenconfidence level = 92%

Q: A researcher is looking at a new marketing campaign for a product. After 200 people watched the…

A: Total number of people = 200 Prior to campaign the proportion of people liked the campaign is 0.50,…

Q: Find the confidence interval for an Independent-Samples t-test (Ch.10), given the following info:…

A: Formula : CI=(x̄1 - x̄2) ± ME

Q: List and discuss in detail the ethical issues that are involved in the research design and…

A: there are several ethical issues that are involved in research design: 1) Voluntary participation-…

Q: Determine the class width of each class.

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Q: 3. In genetic investigations, one frequently samples from a binomial distribution. Except that…

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Q: In N(5, 4): For Z-scores: type in exact answers as decimals. For probabilities: round to 4 decimal…

A: Solution

Q: Which of the above will have a value of 1? [Select] Which of 1-7 would be evaluated by [Select] 601…

A: It is given that n=50 and p= probability a single student passes the exam.

Q: A researcher is interested in seeing if the average income of rural families is greater than that of…

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Q: From a random sample of 1000 Americans, it was discovered that 920 of them lived in neighborhoods…

A: The following information has been given: The sample size is n=1000. The favorable cases are x=920.

Q: A study conducted in a small company yielded the results shown in the following table Age Insurance…

A: For the Given data Find E( insurance from 45-65 age group ) is = ?

Q: A researcher wishes to test the effects of excerise on the ability to complete a basic skills test.…

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Q: A researcher would like to know the proportion of the households that has a cable subscription. She…

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Q: 5) What is the unemployment rate for individuals with college degrees 6) What is the probability of…

A: Here Given Probability table for variable X and Y  where  X=0, Represents do not have college degree…

Q: Which of the following is the best measure of central tendency for age? Mode:55 Median:44.5…

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Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 35…

A: Let X :The mean daily production of a herd of cows is assumed to be normally distributed with mean…

Q: P(X 5) P(X > 4) P(X > 0) P(X < 0) [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ]

A: We have given that X ~ N (µ, σ )= N(8, 2) Therefore, Mean(µ) = 8Standard deviations (σ) = 2

Q: IF Suppose an economist wishes to estimate the mean commute time, μ, of all people in the civilian…

A: Given that  Margin of error = E = 5  Standard deviation = σ = 15.1

Q: A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally…

A: GivenMean(x)=3210variance(σ2)=1000sample size(n)=12

Q: offer you the following game. Suppose I have a fair 10 ded dice. Each fo of the dice will cost you…

A: Answer: You should stop rolling the dice when you reach a total of 100 or more.  You can expect to…

Q: How many students must be randomly selected to estimate the mean monthly income of students at a…

A: Given: population standard deviation(σ)=530Margin of error (E)=124Confidence interval (c)=0.95

Q: The amount of time adults spend watching television is closely monitored by firms because this helps…

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Q: A stock investor would like to have an idea concerning the average return of stocks that are traded…

A: From given data n=96 mean=9% standard deviation=9% confidence interval=99%

Q: A student wishes to see if at her school the proportion of underclassmen who do not have have a job…

A: Given,n1=257 , x1=55n2=288  ,  x2=45p^1=x1n1p^1=55257=0.21401p^2=x2n2p^2=45288=0.15625pooled…

Q: A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally…

A: Given X-bar=3226 n=12 Standard deviations=31.62

Q: In N(5,4), answer the following: Write exact answers as whole numbers or decimals (when needed). μ =…

A: Solution

Q: 18.42 This Wine Stinks. How sensitive are the untrained noses of students? Exercise 16.27 (page 381)…

A: The simple random sample size formula is defined as follows, when population standard deviation (σ)…

Q: With 4 tosses, you get a head on the first toss and a tail on the last toss?

A: here given ,  probability of head  = p = 2/3  probability of Tail = q = 1/3

Q: A factorial experiment involving two levels of factor A and three levels of factor B resulted in the…

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Q: If A and B are independent events, which of the statements below are true? OP(AIB)-0 O P(AIB)-…

A: From the given information we find the probability.

Q: A study published in JAMA in 2004 examined past results of other studies on bariatric surgery.…

A: To determine: a) The proportion of diabetes patients who make a full recovery in 2014. b) The…

Q: A researcher is interested in finding a 90% confidence interval for the mean number of times per day…

A: Solution: Given information: n= 117 Sample size  x = 32.4 Sample mean s= 13.8 Sample standard…

Q: If you sample 100% of the population, you are doing a ________   A. Snowball Sample   B. T-…

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Q: A researcher is studying two types of medication that both treat hives. 18 out of the random sample…

A: Given data: Significance level = 0.05 Claim: Test to see if the proportion of people who still had…

Q: If, in a sample of n = 20 selected from a normal population, X= 53 and S=12, what are the critical…

A: here given ,  n = 20  sample mean  = 53 sample standard deviation  =  12  alpha  = 0.01

Q: What is the median number here?     4.88, 4.62, 4.38, 5.02, 6.30, 5.33

A: Given data 4.88, 4.62, 4.38, 5.02, 6.30, 5.33

Q: Answers only. Thank you 1.To compute the mean at least the a. ordinal level of measurement is…

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Q: Compute the standard error SE for the estimate of the proportion of U.S. adults that avoid drinking…

A: here given , A 2018 Gallup survey asked respondents to consider several foods and beverages and to…

Q: Why does the class go from 14-20 instead of 14-19 like the textbook shows? The textbook provides 7…

A: Given

Q: ed to figure out how many people are in the world, and how many are asleep at the moment. I know…

A: Sleep plays an important role for a good health  Sufficient sleep refreshes your mind and it regains…

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

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

Q: Wall thickness of 25 glass 2-liter bottles was measured by a quality-control engineer. The sample…

A: Given data n=25x¯=4.04s=0.05confidence interval=95%

Q: An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for…

A: According to the given information in this question We need to find range sample variance and sample…

Q: 1 and 121 The probabilities that students A, B, C, D solve a problem are 3' 5'5 respectively. If all…

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Q: Compute the margin of error MOE for a 98% confidence interval for the proportion p of U.S. adults…

A: here given ,  A 2018 Gallup survey asked respondents to consider several foods and beverages and to…

Q: Shop Location Annual Return (Thousands of Dollars) Number of Households (Thousands) 1 Mall  185.69…

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