ABC Restaurant has made a forecast for last week's operations vs Actual result of the forecast last week. Period Monday Tuesday Actual 112 110 113 120 140 Forecast 115 104 110 115 135 k Wednesday Thursday Friday Using this table above, solve for Mean Absolute Deviation (MAD) Note: Round up to the last 2 decimals example 9.6568->9.66

Q: company wants to evaluate its attrition rate, in other words, how long new hires stay with the…

A:

Q: 2.2 Losses at an oil refinery (in millions of dollars) due to excess heat can be divided according…

A: The question is about graphical representation of data Given :   To find : a ) Draw Pareto chart b…

Q: 6.13. Consider the following regression:* SPI; = -17.8 + 33.2 Gini, se = (4.9) (11.8) r² = 0.16…

A: The following solution is provided below :

Q: There were two groups of samples from two different treatments and XA and XB data were obtained. XA…

A: Note: As per guidelines we will solve the first question only, please repost other questions for…

Q: Suppose the random variable X has a geometric distribution with p = 0.6. Determine the following…

A: Given that Let X be the random variable having the geometric distribution with p=0.6 We have to find…

Q: The probability of drawing a heart from a deck of cards is 0.25 over the long term (under an…

A:

Q: Use Table A to find the value z of a standard Normal variable that satisfies each of the given…

A: The objective is to find the value of z with 74% of the observations falling below it.

Q: One of the steps involved with buying a home is a home inspection. We cannot be sure how much time…

A: Given information: X=time to inspect a house in minutes. X follows uniform distribution between 30…

Q: Rebecca (a clinical dietician) wants to compare two different diets: the "egg a day" diet, and the…

A: Q1: From the given information, Power=0.95 n=20 Let level of significance as 0.05. Formula: Here,…

Q: 3. The following table shows the number of days it takes a researcher to write a report after…

A: (a) The objective is to construct a box and whisker plot for the data:

Q: Suppose you have a sample of 10,000 potential customers and 1992 would buy the product.  Calculate…

A: Given that: Sample size, n=10000 Number of customers buying the product, x=1992

Q: if n = 60,272,5=10, For testing Select one a Z=-2.32 OD Z-2.32 1 232 d. 1-2.32 H₂=75 vs H: >75, the…

A: given data  n = 60 x¯ = 72 s= 10 Ho: μ = 75 Ha: μ>75 test statistic = ?

Q: For hard drives to operate properly, the distance between the read/write head and the disk must…

A: here we have to identify the population unit , variable of interest, Statistical population, and…

Q: SAT scores have an average of 1200 with a standard deviation of 60. A sample of 64 scores is…

A: As per our guidelines we are suppose to answer only three sub parts . Given,sample…

Q: I need help with questions 4 and 5 only !

A: Confidence interval are used to measure the range where the true value of the proportion ranges. It…

Q: Dependent Variable: Y Method: Least Squares Date: 07/27/20 Time: 17:10 Sample: 1 669 Included…

A: The regression results are given.

Q: In statistics and research, we commonly use the z-score, which is the most basic standard score. One…

A: Given that, In statistics and research, we commonly use the z-score, which is the most basic…

Q: 3. Let (N.U.P) be a probability space and the events A. BE U such that the probabilities are given…

A:

Q: The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest…

A: Given data: College Grads High School Grads 485 442 518 580 650 479 570 486 566 528…

Q: c. Mean i d. Variance i

A: It is given that the random variable x follows Beta distribution with parameters α = 2.5 and β = 1.

Q: An advertising firm wishes to demonstrate to its clients the effectiveness of the advertising…

A: Given: The equation of the regression line is: Y = 6.16 + 0.19X X is the campaign cost or…

Q: . The number of cars that pull up to a car wash on a Friday morning in Long Beach is approximately…

A: Empirical rule are used to determine the value occurred in the normal distribution. Here, 68% of…

Q: You are testing that the mean speed of your cable Internet connection is 100 Megabits per second.…

A:

Q: From the standard deviation, we know something about the   Question 5 options:   general location…

A:

Q: Use Table A to find the value z of a standard Normal variable that satisfies each of the given…

A: The objective is to find the value of z with 74% of the observations falling below it.

Q: The following function is cumulative distribution function. x < -10 -10 < x < 30 30 < x < 50 50 ≤ x…

A: from given cdf  probability distribution function will be  P(x=-10) = 0.20 P(x=30) = 0.60 P(x=50) =…

Q: Can you strecth it out more to explain a little better?

A: Given that  Total question = n = 3 Each question have 5 multiple choices  options  p = 1 / 5 = 0.2 ,…

Q: Comment on the P-value testing the claim the slope is different to 0

A: Hint:     If the P-value &gt; level of significance (0.05), the null hypothesis will be rejected and…

Q: Tony decided that he wants to pursue a master degree in business. One of the requirement is the GMAT…

A: Given that  Tony's GMAT = X = 730 Mean = 556 , Standard deviation = 116

Q: Players using cleats Yes No Total 46.27% Player performance in soccer games O 62.69% O 29.85 % O…

A: Given that    Scored a goals  did not scored a goals  Total  Players using cleats Yes 31 11 42…

Q: Use the methods below to normalize the following group of data: 100, 150,200, 300, 400, 600, 1000,…

A: Given: n = 9 Formula Used: Normalization value = X-MinRange Range = Maximum value - Minimum value…

Q: 1,000 on the daily demand (trail value)

A: Given Inputs: Inputs   Yearly rental cost 5000 Fixed costs 400 Cost per copy 0.03 Charge…

Q: 3. You are comparing three data sets, each with the same standard deviation of 2.3. The only…

A:

Q: Dependent Variable: INTEREST Method Leable Method: Least Squares Date: 08/08/20 Time: 17:38 Sample:…

A: The regression results are given.

Q: Below are the results of Multiple Regression Analysis. Write down the interpretation of the…

A: Regression equation is used to measure the predicted value over the another. It explain the linear…

Q: 2.2 Losses at an oil refinery (in millions of dollars) due to excess heat can be divided according…

A: Given data: over supplying fuel 202 excess air 124 carelessness of operator 96 incomplete…

Q: Based on a​ poll, 70​% of Internet users are more careful about personal information when using a…

A: In this case, each surveyed user is inferred to have only options of being "more careful" (i.e.,…

Q: Suppose you pay 2 pesos to play toss coins. For each 2 heads or 2 tails, you receive 4 pesos, else…

A: It is interpreted that, for every 2 heads or 2 tails (i.e., if both outcomes are equal), 4 pesos is…

Q: Find the maximum for this list of numbers 43 14 54 10 38 63 86 92 25 68 20 50 18 48 59

A: arrange data in accending order: 10,14,18,20,25,38,43,48,50,54,59,63,68,86,92 we have to find…

Q: In the transmission of digital information, the probability that a bit has high, moderate, and low…

A: Given that Probability (High)=0.01 Probability (Moderate)=0.04 Probability (low)=0.95 X: The number…

Q: The reaction time of a driver to visual stimulus is normally distributed with a mean of 0.4 seconds…

A: given data normal distributionμ=0.4σ=0.05P(x&gt;0.5)=?

Q: Find the first and third quartile for the data shown X 2.5 2.7 14.1 15.3 17.1 18.7 18.8 25 27.9 28.1…

A: The objective is to find the first and third quartile for the given data.

Q: whats the probability of drawing ace on the 3rd card if the 1st was an ace

A: As per bartleby guidelines we can solve only first question (and first 3 subparts if any) and rest…

Q: ↑ Check here for instructional material to complete this problem. The number of new products…

A:

Q: Use the probability distribution listed in the given table. Compute P(X < -1 or X = 2). X f(x) A 0.6…

A: Given, Probability distribution function f(x) of random variable x is x -2 -1 0 1 2 f(x) 0.2…

Q: Given the data set below. Find the mean, median, mode, range, sample variance, and sample standard…

A: Solution

Q: Patty is interested in designing a study to test whether or not chocolate can reduce people's level…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: the swab results are normally distributed with a mean of 10 and a standard deviation of 3. For bags…

A: For bags that do contain prohibited explosive chemicals, the swab results are normally distributed…

Q: The power of a test is 0.873. What is the probability of a Type II error?

A: Power of a test is the probability of correctly rejecting H0 that is the null hypothesis and Type 2…

Q: The following is a joint probability mass function. y fxy(x, y) X -1 -0.5 -1 1/4 -2 1/8 0.5 1 1/2 1…

A: Given that . x.      y.        f(x,y) -1    -2        1/8 -0.5   -1        1/4 0.5     1…