7. The Sun Devils Corporation is deciding which of two forecasting models to use. The forecasts for the two models and actual demand are provided below: MONTH 1 2 3 4 5 6 7 8 9 10 SALES 170 190 195 180 170 170 160 175 180 175 MODEL 1 FORECAST 175 165 190 185 170 165 160 170 185 170 MODEL 2 FORECAST 172 185 190 195 175 170 165 175 180 175 Compute the MAPE and RSFE for the two forecasting methods. Is RSFE a good fore- casting accuracy measure?

Q: Let B₁ and 32 denote the OLS estimators of B₁ and 2 in the regression: yi= Bo + Bixi + B2x₁2 + Ui.…

A: Let β^1 and β^2 denote the OLS estimators of β1 and β2 in the regression:yi=β0+β1xi1+β2xi2+μiLet β1^…

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c = 0.90, o…

A: confidence level(c)=0.90standard deviation()=7.4Margin of error(E)=2

Q: A card is drawn out of a regular deck of 52 cards, and it is not returned back into the deck. A…

A: Hi! Thank you for the question. As you have posted multiple questions, as per our policy, we have…

Q: - Assume that samples of size n = 2 are randomly selected with repl= erent samples. 40,53 47,53…

A: Given thatPopulation : (40,45,47,53)M==  =SamplesMean…

Q: Construct a stem-and-leaf display for the following data. Use a leaf unit of 10. Note: if there is…

A: Given data in ascending order -1108, 1120, 1121, 1147, 1236, 1246, 1313, 1344, 1369, 1556, 1561,…

Q: 1) A research study investigated the connection between education level (high school, bachelor's,…

A: Given data:Education LevelSatisfiedNeutralDissatisfiedHigh…

Q: Compute the range for the set of data. 114, 495, 150, 605, 379, 282 OA. 337.5 OB. 114 OC. 605 O D.…

A: The data set is : 114,495,150,605,379,282Range = ?

Q: Consider the following data: X 4 P(X= x) 0.3 -3 -2 -1 0 0.2 0.2 0.2 18 0.1 Step 1 of 5: Find the…

A: X =-4,-3,-2,-1,0P(x) = 0.3 ,0.1,0.2,0.2,0.2

Q: Let X = µ + oZ; so that X~ N(u, 02). Find the probability density function of X.

A: Solution-:Let, ; so that We want to find the probability density function of X.

Q: What is H0? Group of answer choices: 1. pyounger = polder 2. polder = .45 and pyounger = .55 3.…

A: A statistical hypothesis is an assumption or a statement about the population. Hypothesis testing is…

Q: According to a survey conducted by the U.S. Department of Health and Human Services, about 50% of…

A: Margin of error, True percentage is between 48.8% and 51.2%Population size is 255,200,373

Q: A new sleeping pill is advertised that increases the daily sleep time of insomniacs by an average of…

A: We have given that sample size (n)=15sample variance(s2,)=15 The population variance() = 0.25

Q: uppose a random sample of n = 13 is taken from a population with an ur as μ = 34 and o² = 289. What…

A: Sample size n =13Population mean μ =34Population standard deviation =289

Q: Country Name GDP Per Capita Life Expectancy Afghanistan $687.58 60.51 Albania $4,406.12 77.35…

A: Given the data of GDP Per Capita and Life Expectancy of each countries.

Q: Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most…

A: 1. Nominal Level of Measurement:   Nominal data consists of categories or labels used to name and…

Q: In 2009-2012, the value of precious metals changed rapidly. The data in the accompanying table…

A: The geometric mean is the average of a group of products' values.Geometric mean is defined as “…the…

Q: The coefficient of variation for the amount collected by the security service company is %. (Round…

A: Let  be amounts collected from parking meters by a security service company.Let be amounts…

Q: othesis of this test states that The Population Median conductivity is 1 test is this? de de cest…

A: Given:We have conductivity measurements on 11 randomly selected pieces of particular type of…

Q: Once down to about 15, the world’s only wild flock of whooping cranes now numbers a record 237 birds…

A: Please note that as per our guidleines if multiple sub-parts are there in a question we can answer…

Q: Calculate the standard deviation of the data shown. Use technology x 27.6 2.6 13.2 8.3 8.9 3.3 Round…

A: The question is about measures.Given :To find :Standard deviation of the data using technology

Q: What proportion of the drivers in the U.S. are over the age of 64 or Male? 0.1352 0.1356 0.674…

A: The contingency table provided in the question is as follows…

Q: = 18 for a repeated-measures t sta nts.

A: Given that, for a repeated measure t-test.To identify whether the given statement is true or false.

Q: Send data to calculator Send data to Excel (to) Are the two run samples independent or paired…

A: Given :Random sample of trips via S.B. freeway ( n1 ) = 15Sample mean time travel via S.B. freeway (…

Q: 1.1-3. Draw one card at random from a standard deck of cards. The sample space S is the collection…

A: A = {x: x is a jack, queen, or king}B = {x: x is a 9, 10, or jack and x is red}C = {x: x is a club}D…

Q: Which of the following measures are most resistant to outliers? Mean Median Mode Range Standard…

A: We have given options Mean, Median,  Mode, Range, Standard Deviation, IQR(Interquartile range)

Q: Answer quickly please. Need answer ASAP. TRUE or FALSE. No need for long explanation. 21. If…

A: P-value: The p-value is a measure of the strength of evidence against the null hypothesis.Sampling…

Q: Price on: JNJ JNJ 1.00 MSFT 0.94 T -0.15 WFC 0.97 WMT 0.63 XOM 0.66 1/2/2013 12/31/2014 Balance…

A:

Q: In a survey conducted by the Gallup organization on September 6-9, 2012, 1,017 adults were asked "In…

A: From the given data ( 1 ) Frequency table Confidence LevelFrequencyGreat deal81Fair amount325Not…

Q: You may need to use the appropriate technology to answer this question. poll tracks the favorite…

A: Answer Given Observed values 113374812819107________________________344______________________

Q: Write out the design matrix X and find its rank for the 1. 2 Polynomial regression: Y₁ = Bot fixi +…

A: Given two regression models: Polynomial regression: Data transformation:

Q: Determine whether the results appear to have statistical significance, and also determine whether…

A: Answer Total number of babies =2000The number of femals are =1016

Q: Q1 Q3 Stimate the first and third quartiles. c. Determine the interquartile range. Interquartile…

A: From the given box plot we have re modify it by drawing points ie,

Q: kip to main content Home Study tools Post a question My courses My books My folder Career Life…

A:

Q: In the picture below, what can you infer? Note: we are going to order according to the light blue…

A: Given the standard normal density graph of demand of a product as

Q: Stars (*) and Dots (■) compete for three seats in three districts under the plurality rule.…

A: Suppose Stars  and Dots  compete for three seats in three districts under the plurality rule.…

Q: (a) This probability model is A. continuous. B. discrete. C. equally likely. OD. None of the above.…

A: The probability model for the blood type is,Blood typeOABABProbability0.20.470.11?

Q: In his essay "Making Things Right," W. Edwards Deming considered the role of statistics in the…

A:

Q: As the new manager of a small convenience store, you want to understand the shopping 40.39 3.32…

A: Data is given below in ascending…

Q: A bus arrives every 25 minutes at a bus stop. It is assumed that the waiting time for a particular…

A: Let X be the waiting time for individual random variable with a continuous uniform…

Q: Select one or more: a. The variability of the distribution of X will be higher than the variability…

A: It is given asMean, μ = 5Standard deviation,  σ = 2Sample size, n = 50

Q: A local diner has started selling cupcakes and is using the bar chart given below to keep track of…

A:

Q: An advertising agency that serves a major radio station wants to estimate the mean amount of time…

A:

Q: 6. ABC Corporation is considering launching a new mobile app. It will earn an annual profit of $3.5…

A: According to the information provided in the question,  corporation can earn the annual profits of…

Q: A personal computer manufacturer is interested in comparing assembly times for two keyboard assembly…

A: The given data is WorkerProcess 1Process 2Difference(d)(Process 1 - Process…

Q: A television show conducted an experiment to study what happens when buttered toast is dropped on…

A: The provided information is as follows:The sample size is .The  is a random variable that toast will…

Q: Determine the linear correlation coefficient, r, using the following summary data. Σχ=189 Σy = 348…

A:

Q: The owne randomly selected 28 omers nd delivered pizzas heir homes. What hypotheses should the owner…

A: It is given asClaim: The average time spent on a delivery does not exceed 40 minutes.

Q: 51. Movie candy Is there a relationship between the amount of sugar (in grams) and the number of…

A: First enter the data in Excel.

Q: The following is a set of data from a sample of n = 5. 5 17 4 2 a. Compute the mean, median, and…

A: By the given data,we havea) Mean = ΣXi/n= (5+1+7+4+2)/5=3.8Median: Here, n=5 is odd number of dataIn…

Q: Let Y, represent the ith normal population with unknown mean , and unknown variance of for i=1,2.…

A: Given that the random variable  represent the ith normal population with unknown mean  and unknown…