Following table provides the number of bottles of Shimmer Shampoo sold at a grocery storeover the previous 30 weeks.Week12345678910Sales Week Sales113961239613412143871538216 42317181920339319352330378392390395386383386420417474Week Sales21450224442345624449428444252627282930389447395417Use any software of your choice(a) Plot the time series of the original data. Give your opinion on whether this TS isstationary or not(b) Find the first order differences, plot it and give your opinion on whether to choose theoriginal Shimmer Shampoo sales values yt, or the first differences zt, for the stationarytimes series.(c) Assuming that the original time series y, is stationary, identify a tentative model for thetime series yt, including the decision about whether to include a constant term.(d) Assuming that the original data, Shimmer Shampoo sales yɩ are not stationary and thefirst differences zą are stationary, identify a tentative model for the first differences Ztincluding the decision about whether to include a constant term.

The data about sales of Shimmer shampoo at grocery stores over the previous weeks is provided.The…

Answered: Following table provides the number of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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10. Use the following set of data for numbers 10 - 15. x: 471.7 659.3 740.5 790.5 781.3 1047.3 969.5 1206.1 y: 446.3 680.2 725.2 765.3 740.4 1005.6 936.3 1156.8 Load the data into your calculator and find r2r2 Group of answer choices .943 .997 .994 21.54
The following is historical sales data ABC Clothing Inc: Month Sales (units) 5-Month Moving Avg. Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep - 19 Oct-19 Nov - 19 Dec-19 Jan-20 Feb-20 Mar-20 Apr-20 May-20 10 15 20 20 25 20 20 25 30 35 40 50 70 85 100 125 P a) Complete the chart by calculating the 5-month moving average and make a forecast for May 2020. b) Do you think the forecasted value for May-20 using the 5-month moving average is accurate? What are some other methods that you could have used to make a forecast?
The caloric content (in calories) and sodium content (in mg) were collected for 27 beef hotdogs. The data are in the table below. X, caloric content Y, sodium content 157 440 149 322 187 499 149 379 190 587 175 479 185 486 190 645 148 375 150 326 182 481 135 298 132 253 176 483 158 370 191 591 186 495 159 374 177 429 152 330 111 300 149 319 176 425 184 482 139 322 140 326 131 317
1. A sales manager would like to see his sales representative’s unit sales per month. The secretary was told to keep a monthly record of the sales. The following are the data from the previous months (in ascending order): 5, 6, 8, 10, 10, 14, 15, 16, 16, 17, 17, 18, 19, 21, 21, 23, 26, 27, 28, 28, 28, 30, 38, 43. Compute for the median and mode. What is the range for the monthly sales?
3) Estimate the average number of years they stay at their current house for all citizens living in that area.
2. The following data was collected from 1 bag of Hershey Kisses®. Each Kiss® was weighed in grams with the wrapper and recorded in the table below. Hershey claims that there are 368 grams of chocolate in one bag. Hershey Kiss Weights in Grams 4.76 4.72 4.74 4.55 4.91 4.74 4.78 4.71 4.80 4.78 4.78 4.75 4.79 4.82 4.91 4.83 4.68 4.74 4.70 4.80 4.70 4.76 4.70 4.83 4.93 4.74 4.84 4.82 4.76 4.77 4.72 4.78 4.83 4.75 4.74 4.68 4.84 4.71 4.71 4.76 4.66 4.78 4.73 4.74 4.92 4.77 4.80 4.79 4.86 4.64 4.78 4.70 4.75 4.78 4.76 4.83 4.66 4.77 4.83 4.78 4.69 4.81 4.68 4.78 4.88 4.72 4.85 4.85 4.81 4.74 4.80 4.82 4.84 4.70 4.85 4.70 4.81 4.72 4.79 4.73 4.61 What could be some reasons for variation in the weights of the Kisses®? Note: Take time answering this one. There are lots of things to consider here and I'll be looking for a well thought out answer with several given reasons contributing to the variation. Of course, the wrappers and tags could vary but what about…
For a particular red wine, the following data show the auction price for a 750-milliliter bottle and the age of the wine in June of 2016. Age (years) 37 20 29 33 41 26 29 45 34 22 Price ($) 256 142 217 255 331 168 209 297 237 182
re.com New folder M Gmail O Maps O YouTube O stem Rapidldentity * Nintendo Account Tab Mrs. Haines wants to buy dog treats. Dog Treats Number Number of of Packages Dog Treats 3 21 35 7 49 9. How many dog treats are in 9 packages? O 34 O 56 O 63 O 72 Question 12 1 nts earch 15 16 40 1O 19 144 hol 274 %23 3. & 5 7\ 96
The following data represent the number of audience members per week at a theater in Paris during the last year. (The theater was closed for 2 weeks for refurbishment.)163 165 094 137 123 095 170 096 117 129152 138 147 119 166 125 148 180 152 149167 120 129 159 150 119 113 147 169 151116 150 110 110 143 090 134 145 156 165174 133 128 100 086 148 139 150 145 100Estimate the average weekly attendance with a 95% interval estimate.

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