i need help  Consider the following pairs of scores from dependent samples: Pair: 1 2 3 4 5 X: 5 4 6 2 8 Y: 2 2 4 1 6 a. Complete the test at the .05 level of significance and state your conclusions.

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: Given the trend equation, Yc Y unit = 240-1.8X, where X unit = 6 months and annual production.…

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Q: contains three red hats, two green hats and one orange hat. Eight hats will be drawn at random with…

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Q: (a) Find the test statistic. (Give your answer correct to two decimal places.) (ii) Find the…

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

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Q: List the five steps of hypothesis testing and explain the procedure and logic of each.

A: Given that  List the five steps of hypothesis testing and explain the procedure and logic of each.

Q: the mean age when people got married for the first time in the year 2000 was 26 years old with a…

A: The random variable age of first marriage follows normal distribution. We have to test whether the…

Q: Let’s say that in a random sample of 80 college students, 32 of them sign up for Disney+. This study…

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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 )/?

Q: S Click here for the Excel Data File a. Specify the competing hypotheses in order to determine…

A: Solution: Given information: n= 78 total observation k= 4 groups  SSB= 19.75 Sum of square of…

Q: The Mean height of the students of a certain college is 66" with a Standard deviation of 3 inches.…

A: Given that  μ = 66 , ? = 3 , n=2000 1 feet = 12 inches  5 feet = 60 inches

Q: Group 1: 12, 10, 3, 6, 12 Group 2: 13, 9, 5, 8 Group 3: 22, 20, 15, 10, 18, 14 Complete a one-way…

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Q: Solve the following problems: ( Ungrouped Data) The systolic blood pressures of 12 smokers are as…

A: Data given  114, 116, 118, 120, 122, 124, 126, 128, 130, 130, 134, 146

Q: 1 Student exam results as a percentage are modelled by a Normal distributionwhere X- N(75, 100).…

A: (1) X~N(μ, σ2) = X~N(75, 100)  Let X be the random variable from normal distribution with mean (μ) =…

Q: a) Find the constant c? b) Find the marginal pmfs of X and Y. c) Are X and Y independent? Why or Why…

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Q: In the population of senior students at Shermer High School, the proportion who plan to attend…

A: From the provided information, Population proportion (p) = 0.64 Sample size (n) = 100 Sample…

Q: Illustration 41. The equation for yearly sales (in '000 Rs.) for a commodity with the 1997 as origin…

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Q: What is the difference between failing to reject the null hypothesis and having evidence to support…

A: Given that  What is the difference between failing to reject the null hypothesis and having evidence…

Q: lecture(12.9): Identify the following variables as categorical or numerical. (a) Th ethnicity of…

A: Introduction: There are two types of variables Categorical Variables  Quantitative Variables…

Q: What sample size should you gather to achieve a 0.75 hour margin of error?

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Q: A vet wants to determine the proportion of household pets that have pet insurance. What size sample…

A: Given that  Margin of error=E=0.06 ,  90% confidence

Q: A local DMV (location of your choice) wanted to assess the number of mistakes that were made by its…

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Q: 22) Suppose a platform tries to recommend the best movie to Ann and Ben. Movie l's quality is…

A: Result  If X~U(a,b)  E(X)=expected value=(a+b)/2  In above question given  Movie 2 follow U(0.5,1)

Q: Patty has just completed her second semester in college. She earned a grade of B in her 2-hour…

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Q: Consider a binomial experiment with n = 20 and p = 0.4. Calculate the P(X ≥ 10). Do not use normal…

A: Given that  n=20 , p=0.4 X~Binomial(n=20 , p=0.4)

Q: ce track for the time it takes their athlete to reach the bottom of the starting hill. The coach…

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Q: QUESTION 3 A population of scores with u = 120 and o= 10 is standardized to create a new population…

A: Given that

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

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Q: From the data given in the illustration 11 above compute the Chain base Inder numbers.

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Q: Some fruit are sold whose weights follow a normal distribution such that X-N(90, 16) If the heaviest…

A: Given : Some fruit are sold whose weights follow a normal distribution such that X-N(90, 16)

Q: Trend values 40 | 39 40 | 39 39 39 39 39 39 40 40 Seasonal variations Seasonal indices Deseasonalise…

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Q: Consider the following. (Give your answer bounds exactly.) (a) Find the p-value for F = 3.89,…

A: The value of the F statistic is given. The df for factor and df for error are also given. We have to…

Q: Given the test scores of 40 students below, determine a) the 20* percentile, 30 percentile, and b)…

A: Solution-: We  want to find following from given data (a) the 20th percentile, 30th percentile (b)…

Q: bag contains many hats of several colors 100 John's I made from this without replacement. suppose…

A: Given that ;  μ = 40 ? = 5 n = 100 By using standard normal distribution we solve this problem.

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days…

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Q: A magazine provided results from a poll of 1500 adults who were asked to identify their favorite…

A: From the provided information, Sample size (n) = 1500 Sample proportion (p̂) = 0.14 Margin of error…

Q: A national nursing organization is lobbying congress for funding to hire more nurses nationwide. One…

A: For the given data mean =47,s.d =3.8079 ,n =9

Q: Convert the following annual trend equation into a + 4.8 X quarterly one : Yc %3D

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Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: Here, standard deviation is 37.4 and margin of error is 3. We will find samples by margin of error.…

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Q: Though 70% of women with children younger than 18 years participate in the labor force, society…

A: We have given that,  Sample proportion (p̂) = 18% = 0.18 and sample size (n) = 435 Then,  We will…

Q: In the book Business Research Methods (5th ed.), Donald R. Cooper and C. William Emory discuss a…

A: Chi-square test is a nonparametric inferential statistic.

Q: In a trial of 185 patients who received 10-mg doses of a drug daily, 48 reported headache as a side…

A: We have given that,  Favorable cases (X) = 48 and sample size (n) =185 Then,  We will find sample…

Q: An article that appeared in the British Medical Journal (2010) presented the results of a randomized…

A: Given data :

Q: Among all the income tax forms filed in a certain year, the mean tax paid was $2000 and the standard…

A: The random variable tax follows normal distribution. We have to find the probability that the…

Q: roblem 1. A medical researcher is testing a new drug to see if it slows the growth of malignant…

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Q: In the natural gas consumption case, the estimated consumption is 12.003 in a week when the average…

A: Given that,  Sample size = n = 8 sample mean y^ =12.003 Standard deviation = s = 0.6542 Confidence…

Q: Nonparametric tests use qualitative data are distribution free are based on the normal curve can…

A: In this case, we need to identify the correct option for the given statement.

Q: The Department of Agriculture wants to determine whether the mean yield per acre for a particular…

A: The random variable yield per acre for a particular variety of soybeans follows normal distribution.…