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17 Oct
2020

The Tasty Sub Shop Case: A business entrepreneur uses simple linear regression analysis to…

Category:ACADEMICIAN

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The Tasty Sub Shop Case: A business entrepreneur uses simple linear regression analysis to predict the yearly revenue for a potential restaurant site on the basis of the number of residents living near the site. The entrepreneur then uses the prediction to assess the profitability of the potential restaurant site.AndThe QHIC Case:The marketing department at Quality Home Improvement Center (QHIC) uses simple linear regression analysis to predict home upkeep expenditure on the basis of home value. Predictions of home upkeep expenditures are used to help determine which homes should be sent advertising brochures promoting QHIC’s products and services.Discuss the difference in the type of prediction in both cases and provide rational of the reasons that these predictions were used.
Please help answer these questions9. Samuel was recently hired to care for the lawn at a recreation center. He will
Please help answer these questions9. Samuel was recently hired to care for the lawn at a recreation center. He will be paid $25 per day to cover gas and equipment plus $13 per hour. a. Complete the table showing his earnings for the following number of hours worked in a given day. **Draw Table Here
In a two-factor ANOVA, there are 5 levels in factor A and 4 levels in factor B and 5 observations
In a two-factor ANOVA, there are 5 levels in factor A and 4 levels in factor B and 5 observations in each combination. What is the F-critical value when testing factor B at 2.5% significance level?I have problem with setting up table in terms of levels and factors
Identify the sampling designs you to select computer circuits produced by manufacture to estimate the lifespan of the circuit. Give
Identify the sampling designs you to select computer circuits produced by manufacture to estimate the lifespan of the circuit. Give a complete Justification of your answer and any sources of bias that are clearly present based on the sampling design, using relevant vocabulary. Provide your answers in complete sentences which of these would provide representative samples from the population? For all parts of #1 a-d.a) Each circuit is produced with an associated serial number, 49 zero numbers are selected at random and the lifespan of these circuits is tested.b) There are 20 manufacturing lines at the factory. Circuits produced by the manufacturing line nearest to the lifespan testing facility are numbered in the order that they are produced in, one of the first 20 circuit is randomly selected, and then it in every 13th circuit after that is elected to have its lifespan tested.c) Every day at 4 PM with a manufacturing lines hold, five boxes of circuits for shipment are selected at random. Each box has 20 circuits, and all 20 have their lifespan tested as well. However, if a box that is select it is already place on the loading truck by 4 PM 20 have their lifespan tested as well. However, if a box that is select it is already place on the loading truck by 4 PM (loading begins at 3:30 PM, starting with the boxes that have been packed earlier in the day), another box which is not on the loading truck is selected.d) Every manufacturing cycle every manufacturing cycle (there are five per day), three of the 20 manufacturing lines are randomly selected, and 10 circuits are produced during that cycle are randomly selected to have the lifespans tested.
Los siguientes datos representan el número de horas de vuelo de entrenamiento que reciben 18 estudiantes para piloto, de cierto
Religion and Theology Assignment Writing ServiceLos siguientes datos representan el número de horas de vuelo de entrenamiento que reciben 18 estudiantes para piloto, de cierto instructor, antes de su primer vuelo solos:9 12 18 14 22 14 12 10 1611 9 11 13 11 13 15 13 141. Con las probabilidades binomiales de la tabla A.1, realice una prueba de signo al nivel de signifi cancia de 0.02 para probar la afi rmación del instructor, de que la mediana del tiempo que se requiere antes de que sus estudiantes vuelen solos es 12 horas de vuelo de entrenamiento.2. Analice los datos del ejercicio usando la prueba de rango con signo.
1)Harris Interactive conducted a survey in which they asked adult Americans (18 years or older) whether they used social media
1)Harris Interactive conducted a survey in which they asked adult Americans (18 years or older) whether they used social media (Facebook, Twitter, and so on) regularly. The following table is based on the results of the survey: 18-34 35-44 45-54 55 totaluse on social media 117 89 83 49 338do not use social m 33 36 57 66 192 total 150 125 140 115 530If an adult American is randomly selected, what is the probability they are 35 to 44 years old or use social media?2)The following data represents the number of rooms in a random sample of U.S. housing units:rooms one two three four five six seven eight or morefrequency 5 11 88 183 230 204 123 156 What is the probability that a randomly selected housing unit has at least two rooms? 3)Suppose that Ralph gets a strike when bowling 30% of the time. What is the probability that Ralph does not get a strike on the next three balls that he bowls?
1) when drawing a card from an english deck(52 cards), what is the probability of obtaining one card of hearts
1) when drawing a card from an english deck(52 cards), what is the probability of obtaining one card of hearts or King? a) 1/52 b) 4/52 c) 13/52 d) 16/52 e) 17/ 52 2) in a class of 40 students, 50% play Soccer,20 % play basketball, while 5 students play both sports. what is the probability that, when choosing a student at random, he or she doesn’t play any sport a) 0 b) 3/40 c) 15/40 d) 17/40 e) 20/40
True or False (explain your response) 3. Hospitals typically require backup generators to provide electricity in the event of a
True or False (explain your response) 3. Hospitals typically require backup generators to provide electricity in the event of a power outage. Assume the backup generators fail 22% of the times when they are needed. A hospital has two backup generators so that power is available if one of them fails during a power outage. The probability that both generators fail during a power outage would occur less than 5% of the time.
Tires are among the most commonly replaced parts on vehicles. They are not cheap and shopping for them is confusing.
Tires are among the most commonly replaced parts on vehicles. They are not cheap and shopping for them is confusing. When we look for tires, many of us pay attention to the warranty that accompanies them as a way of getting reliable and long-lasting tires – sometimes paying a hefty premium for high performance.Tire manufacturers test their tires in house. Tires are inflated to the optimal pressure and then the tires spin on specially designed treadmills.The thread-life warranties are presented in a mileage estimate. If a tire has worn out evenly across the tread well before its estimated mileage limit, it may qualify for replacement.Of course, the tire manufacturer would like to minimize warranty replacements by making sure that their tires meet the mileage standard. To this end, the production manager of a tire company is testing their mileage warranty of 30,000 miles. To do the test, 60 tires are put through the treadmill test. When the tires are worn down to the 2/32nd thread-wear indicators, the mileage is recorded. Please go to this link to see excel -https://docs.google.com/spreadsheets/d/1oZvul_5J6jEiiBHu8L4PJXryW8y3Wy6faHoHi0XLcE8/edit?usp=sharingWhat is the required sample size, if the management wants to be within 250 miles of the actual population mean? You will need to use excel to answer this questionIMPORTANT – The way done below is incorrect. If you provide the same answer I will mark it wrong.We need to use standard normal z table to estimate the answer.Critical value z from z table for 95% confidence level is 1.96Margin of error = z*s.d/√n.You have not mentioned the population standard deviation.So in order to explain you I will assume standard deviation to be 1500.(Please recheck your question and use that value).Given error = 250.So,250 = (1.96*1500)/√n√n = (1.96*1500)/250 =11.76Taking square on both sides we get.N = (11.76)^2 = 138.2, so required sample size is 139.Explanation:Answer)We need to use standard normal z table to estimate the answer.Critical value z from z table for 95% confidence level is 1.96Margin of error = z*s.d/√n.You have not mentioned the population standard deviation.So in order to explain you I will assume standard deviation to be 1500.(Please recheck your question and use that value).Given error = 250.So,250 = (1.96*1500)/√n√n = (1.96*1500)/250 =11.76Taking square on both sides we get.N = (11.76)^2 = 138.2, so required sample size is 139.
Base on the data, crate a bar chart and conclude it How long do you accept to spend on the
Base on the data, crate a bar chart and conclude it How long do you accept to spend on the way to a pet store? door to door service: 3 1 to 10 minutes: 8 11 to 20 minutes : 6 20 to 30 minutes: 2 more than 30 minutes: 1 2.Where do you get the information of the pet store?passing by: 4internet: 5 close to home: 5 advertisement:4other resources: 2

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