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20 Nov
2020

The following information is given about a hypothesis test of the difference between two…

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The following information is given about a hypothesis test of the difference between two means based on independent random samples. (Assume normal distributions with equal variances.) What conclusion should be reached if alpha = .05? Show all steps of hypothesis testing. H0: μ1 – μ2 = 0 Ha: μ1 – μ2
QUESTION 1: QUESTION 2: QUESTION 3: QUESTION 4: QUESTION 5: afterbeforeB) µafterbeforeC) µafterbeforeD) µafter The hypothesis below could only be
QUESTION 1: QUESTION 2: QUESTION 3: QUESTION 4: QUESTION 5: afterbeforeB) µafterbeforeC) µafterbeforeD) µafter The hypothesis below could only be a null hypothesis, not an alternative hypothesis. μD = 0 True or FalseThe hypothesis below is a directional (one-tailed) hypothesis. μD = 0 True or FalseThe hypothesis below could only be a null hypothesis, not an alternative hypothesis. On average, the results of a stamina test after a training regimen are either poorer or equal to the results before the training regimen. True or FalseThe hypothesis below is a directional (one-tailed) hypothesis. On average, the results of a stamina test after a training regimen are either poorer or equal to the results before the training regimen. True or FalseWhich of the following formulas depicts the hypothesis below? On average, the results of a stamina test after a training regimen are either poorer or equal to the results before the training regimen. (Assume that in the variable measured, a lower number represents poorer results).A) µ ≥ μ = μ ≠ μ ≤ μbefore
5: In project planning and management, one of the main goals of the project owner is to enhance the
Question 5: In project planning and management, one of the main goals of the project owner is to enhance the quality of envisaged project in domestic market through streamlined business processes and productivity. This in turn supports the overall goal of promoting a globally competitive and innovative project benefiting a given country equitably. Therefore, quality of the project is considered with the determinants of average price, project capital, income of the employees, corruption, and managerial performance index in order to identify the driving forces of competitiveness. Given the data you are given, answer the following questions. a) Compute coefficients of the regression equation of competitiveness and present in the following form:b) Compute and interpret the coefficient of determination using 5% level of significance.c) Test the level of significance and interpret all coefficients of the model at 5% level of significanced) Test whether there are problems of heteroskedasticity, autocorrelation and multicollinearity. If there are, how can you have a model without such problems?e) Which variables are policy variables and write policy prescription about the project competitiveness.
Obtain the least-square estimates of Beta 0, Beta 1, and Beta 2.What proportino of the observed variation in the time
Obtain the least-square estimates of Beta 0, Beta 1, and Beta 2.What proportino of the observed variation in the time spent talking to the recruiter has been explained by the linear relationship with the number of exams passed and wheter or not a student has had an internship. Refer to chart in the image attached
27)The results for the final examination (graded on a scale of 100), in EMBA Data Analysis, are distributed according to
Religion and Theology Assignment Writing Service27)The results for the final examination (graded on a scale of 100), in EMBA Data Analysis, are distributed according to a normal distribution with a mean of 75 and a standard deviation of 5.A) What is the probability that a student gets a mark higher than 90?B) What is the probability that a student gets a grade of 60 or less?C) What is the probability of a student getting a grade between 65 and 80?D) What is the probability that a student’s score is at least 80 but at most 90?E) What is the score of a student if s/he scored better than 90% of all students?F) What is the maximum score of a student if 5% of all students did better?G) What are the limits of scores such that 80% scored within this range and the limits are symmetrical about the mean?
Provided below are the sizes of 15 farms, in acres, randomly selected from the state of Oregon. The mean of
Provided below are the sizes of 15 farms, in acres, randomly selected from the state of Oregon. The mean of this sample is 483 acres.2560530341456389365193138216214440285407341370a. Find the median of the sample and compare it to the mean and discuss thedifference.b. Find the mean and the median if you throw out the 2560 acre farm which hasthe largest area by far. What does this tell you?
This is a skill-building problem 2 from Book Practical Management Science 4th Edition Winston W., Albright S. Please give me
This is a skill-building problem 2 from Book Practical Management Science 4th Edition Winston W., Albright S. Please give me a step by step MS excel solution with constraints tutors it can be solved using Solver and SolverTable.Course hero Link to this problem is this but it does not have MS Excel step by step or constraints not even rows and columns of the solved workbook sheet https://www..com/tutors-problems/Statistics-and-Probability/26983839-Chapter-16-Gotham-City-must-determine-how-to-allocate-ambulances-duri/?justUnlocked=1(Chapter 16) Gotham City must determine how to allocate ambulances during the next year. It costs$5000 per year to run an ambulance. Each ambulance must be assigned to one of two districts. Let xi bethe number of ambulances assigned to district i, i = 1; 2. The average time (in minutes) it takes for anambulance to respond to a call from district 1 is 40 – 3×1; for district 2, the time is 50 – 4×2. GothamCity has three goals (listed in order of priority):Goal 1: At most $100; 000 per year should be spent on ambulance service.Goal 2: Average response time in district 1 should be at most 5 minutes.Goal 3: Average response time in district 2 should be at most five minutes.a. Use goal programming to determine how many ambulances to assign to each district.b. How does your answer change if Goal 2 has the highest priority, then Goal 3, and then Goal 1?
Please choose 1 answer for each part, thank you!Let X be the number of students that come over 5 weeks.
Please choose 1 answer for each part, thank you!Let X be the number of students that come over 5 weeks. What is an appropriate distribution for X?[Poisson(λ = 10)], [Poisson(λ = 50)], [Poisson(λ = 5)], [Poisson(λ = 2)],Let W be the number of students that come within an hour. What is an appropriate distribution for W ?[Poisson(λ = 10)], [Poisson(λ = 50)], [Poisson(λ = 5)], [Poisson(λ = 2)],Let Y be the time between the arrival of two students. Think about what is an appropriate distribution for Y . What is the expected value of Y ? [10 minutes], [5 minutes], [15 minutes], [12 minutes]If the amount of time between the arrival of two students is 10 minutes or less, the TA will need to call another TA to help. What is the probability that the TA will need to call another TA to help? [0.5654], [0.4345], [0.3935], [0.2706]What is the expected time, in minutes, between the 1st student’s arrival and the 9th student’s arrival? [12 minutes], [96 minutes], [24 minutes], [48 minutes]Let X be the amount of time you watch television on a weekend (in hours). What is an appropriate distribution for X ?[Normal (2, 10)], [Uniform (2, 10)], [Exponential (8)], [Poisson (2, 10)]Find the probability that the time you spend watching television on one weekend is at most 7 hours. [0.625], [0.75], [0.25], [0.50]What is the expected amount of time you will watch television on a single weekend? [6 hours], [3 hours], [5 hours], [4 hours],What is the standard deviation of the amount of time you will watch television on a single weekend? [5.3333 hours], [2.3094 hours], [16 hours], [0.3333 hours],For which of these amounts of times you are equally likely to watch television on one weekend? [Between 2 and 3 hours and between 5 and 8 hours], [Between 2 and 3 hours and between 3 and 5 hours],[Between 2 and 3 hours and between 9 and 10 hours], [Between 2 and 3 hours and between 2 and 10 hours],
A television station claims that the amount of advertising per hour of broadcast time has an average of 17 minutes
A television station claims that the amount of advertising per hour of broadcast time has an average of 17 minutes and a standard deviation equal to 2.8 minutes. You watch the station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 14 minutes. Calculate the z-score for this amount of advertising time
Consider a study that administers either 1 mg, 1.5 mg, or 2 mg of a drug to the experimental group
Consider a study that administers either 1 mg, 1.5 mg, or 2 mg of a drug to the experimental group and measures some medical output. Under what further circumstances would a fixed effect model be appropriate? Under what further circumstances would a random effects model be appropriate?Submit your R code and any output of the code to include tables and graphs as indicated.Information about fixed vs random: In modeling, it is helpful to frame a variable as either fixed or random. A fixed variable is something like the dosage of a drug in an experiment designed to test how effective that dosage is; it is fixed because data is collected on all possible levels of the dosage, and there is no measurement error. A random variable is something like the level of abstractness of a painting, in which 1 is low, 2 is medium, and 3 is high. It is random because one would want to extrapolate the variable “abstractness” to other values of just 1, 2, and 3 for all pieces of art, and so the values 1, 2, and 3 represent a random sample of all possible other values that the variable abstractness can take on.

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