In a 100- item test, the score of Student C is 1/2 SD above the mean. Mean is 50 and SD is 4.8. What is her score? * 54.8 47.6 50 52.4 <

Q: The following hypotheses are given.   H0 : π ≤ 0.83 H1 : π > 0.83   A sample of 100 observations…

A: Given Information: Null Hypothesis H0 : π ≤ 0.83 Alternative Hypothesis H1 : π &gt; 0.83 Sample size…

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Q: 3) A high school math teacher claims that students in her class will score highe ACT then students…

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Q: "A political scientist obtained recordings of election-night acceptance speeches of 18 newly elected…

A: From the provided information, The value of test statistic (t) = 2.08 From 18 newly elected…

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Q: The Bureau of Labor Statistics reported that 16% of U.S. non-farm workers a government employees. A…

A: Here, n = 65 and p = 0.16.

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Q: The table below summarizes rental costs for a group of college students with one bedroom apartments.…

A: Given data indicates the rental costs for a group of college students with one bedroom apartments.

Q: 2) The average load consumption of a student in a week is worth Php. 150 with a standard deviation…

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Q: Let rt be a log return. Suppose that r0, r1, . . . are i.i.d. N(0, 0.01^2). (a) What is the…

A: we have given - rt be a log return. Suppose that r0, r1 . . . are i.i.d. N(0, 0.0001). a) since ,…

Q: Suppose Y₁,..., Yn are i.i.d. random variables with Y; ~ N(u, o). Express the following vector in…

A: It is given that Yi~Nμ,σ∀i=1,2,…,n. Thus, Y can be written as follows: Y=1nY1+Y2+⋯Yn

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Q: A study was conducted to determine how people get jobs. The table lists data from 400 randomly…

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Q: In a game of throwing a die twice, 30 games were played and the frequency of the sur listed below;…

A: The data is as follows Sum of a pair of die No of appearances 2 3 3 1 4 3 5 1 6 2 7…

Q: A direct mail appeal for contributions from a university's alumni and supporters is considered cost…

A: Given: P = 0.15 n = 250 X = 40 α = 0.05 Formula  Used: Test-statistic Z = p^-PP(1-P)n

Q: What does the following code do in R? hclust(dist(x),method='average')

A: R is the open source software. It used to determine the statistical analysis. It also used to make…

Q: assume that random guesses are made for 8 multiple choice questions on an SAT test, so that there…

A: From the provided information, Number of trials (n) = 8 Probability of success (p) = 0.65

Q: QUESTION 22 "A clinical psychologist wants to compare the efficacy of medication versus Cognitive…

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Q: An outbreak of gastritis occurred on a cruise ship. The data in the table below were obtained from a…

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Q: Suppose you play with a standard deck of 52 cards. In this game, 4 players are each dealt 13 cards,…

A: Given,no.of ace cards=4no.of king cards=4Total no.of cards=52

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Q: 102. 103. 105. 106. 107. The ability of a measuring instrument to give consistent results in…

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Q: Consider the following contingency table. D E A 60(50) 40(50) B 70(70) 70(70) Find the test…

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Q: QUESTION 16 A researcher reports an independent-measures t-statistic with degrees of freedom = 24.…

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Q: Breusch-Godfrey test for autocorrelation up to order 2 OLS, using observations 1976:1-1990:4 (T-60)…

A: First we state the hypothesis for testing the autocorrelation.  H0: There is no autocorrelation up…

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Q: Calculate the sample standard deviation of the quantitative data shown. Round to two decimal places.…

A: Given data 12,16,28,18,15,25,20

Q: For which of the following business purposes would you use logistic regression?   Question 15…

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Q: From a random sample of 120 students, 95 rated a case of plagiarism as unethical. Using this…

A: Confidence length = upper limit - lower limit

Q: QUESTION 24 "A single sample t-test with a df-27 determined that the mean of 45.75 was significantly…

A: It is given that  Sample mean, x̅ = 45.75 df = 27 Standard error, s/√n = 0.83

Q: Hypothesis Test: Perform the specified hypothesis test. Be sure to include y context conclusion…

A: Given that sample size =1000 and x=512 p^=xn=512100=0.512

Q: Country Sri Lanka China Vietnam Great Britain Norway Romania Switzerland Armenia Netherlands India…

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Q: calculate the pooled variance for the following samples: sample 1, n= 73 with a sample variance =…

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Q: The choices of the p-value are    0.306    0.99

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A: Given,x=520n=918α=1-0.99=0.01α2=0.005Z0.005=2.58

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