The table below shows the number of copies of a new video game sold by an electronics store eachweek for the first month after the game's release. What is the average rate of change in the number ofcopies of the game sold from week 1 to week 4?Week NumberCopies Sold| 1 2 3135 984 5 660788369514337

Given: Week Number 1 2 3 4 5 6 7 8 Copies Sold 135 98 83 69 60 51 43 37 To determine: The…

Answered: The table below shows the number of…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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ABC is an online-to-offline platform that sells e-commerce products to offline customers through a network of agents. ABC gives a commission to agents for each sale made. ABC has 4 main product categories: electronics, fashion, supermarket, and others. Please refer to the exhibits for data sets pertaining to the questions below. Today is May 16th. What is the average growth in average sales per agent per month from March to May target? Answer: % Which one is the category with the highest and lowest average month-on-month sales growth from March to May target? Answer: Highest: Lowest: Today is May We have got the interim result of the sales figures in the first half of May. Typically, the first half of the month constitutes of 40% of sales. Using this assumption, will we reach our May target? What % over the target will we over/under-deliver? Answer: under/over-deliver by % of target Using that assumption, which category (or categories) will not reach the targeted sales…
The table below shows the number of push ups Devon does each day. At this rate, how many push ups will he do on day 20? Please show your work Day 1 2 3 4 5 # push ups 10 14 18 22 26
Please help me with this. Thanks!
Kahuna's Credit Union conducted a survey as to how long customers claimed to wait in the checkout line until their turn. Let X = time in line. The table below displays the ordered real data (in minutes): 0.50 4.25 5 6 7.25 1.75 4.25 5.25 6 17.25 2 4.25 5.25 6.25 7.25 2.25 4.25 5.5 6.25 7.75 2.25 45 55 65 8 2.5 4.75 55 65 825 2.75 4.75 5.75 6.5 19.5 3.25 4.75 5.75 6.75 95 3.755 16 6.75 9.75 3.75 5 6 6.75 10.75 Calculate the sample mean and the sample standard deviation to the nearest hundreths.
Use excel in this question: The Motion Picture Distributors Association of Australia collects yearly data on gross box office takings of the films in Australia. Data is provided here for the years 1990-2004. (Unfortunately more recent data is not readily available.) Is the highest box office takings for a film related to the number of films screened in Australia that year? Year No. of films screened Highest box office ($ million) 1990 252 26.1 1991 240 19.22 1992 229 18.73 1993 259 31.74 1994 252 24.65 1995 253 17.93 1996 281 29.29 1997 285 22.7 1998 273 47.33 1999 255 38.72 2000 250 30.72 2001 245 32.05 2002 258 33.81 2003 268 37.14 2004 318 50.35 1. Produce a scatterplot of the relevant data. Comment on the appropriateness of analysing this data using a linear regression model. 2. Use the statistics from a regression analysis of this data to evaluate the evidence for a useful predictive linear relationship between the two variables at the 5%…
During 2010, the sales of vinyl records were 114% of the previous year’s sales. Sales were 2.8 million in 2010. (Source: Rollingstone.com).If this trend continues, how many vinyl records will be sold in the 5th year? Let 2010 = year 1.
The creator of a new online multiplayer survival game has been tracking the monthly downloads of the game. The following table shows the monthly downloads (in thousands) for each month of the current and previous year. Click on the datafile logo to reference the data. The datafile logo. Month Downloads Month Downloads (previous year) (thousands) (current year) (thousands) February 33.0 January 31.0 March 34.0 February 32.0 April 34.0 March 33.0 May 31.0 April 34.0 June 32.0 May 33.0 July 33.0 June 32.0 August 35.0 July 35.0 September 36.0 August 33.0 October 37.0 September 33.0 November 34.0 October 31.0 December 35.0 a. Compute the mean, median, and mode for number of downloads in the previous year. Mean (to 3 decimals) thousand Median (to 2 decimal) thousand Mode (to 2 decimal) thousand b. Compute the mean, median, and mode for number of downloads in the current year. Mean (to 3 decimals) thousand Median (to 2…
In 2000, 12.8% of vehicles sold were off-road vehicles. In 2010, that number decreased to 10.2%. Calculate and interpret the relative change in the number of off-road vehicles sold from 2000 to 2010.
The revenue (in dollars) from the sale of a infant car seats is given by R(x) = 70x -0.02x², 0≤x≤ 3500.
At the stadium, there are three lines for arriving customers, each staffed by a single worker. The arrival rate for customers is 140 per minute and each customer takes (on average) 1.1 seconds for a worker to process. The coefficient of variation for arrival time is 1.4 and the coefficient of variation for service time is 1. (Round your answerto three decimal places.) How much time (in seconds will an average customer spend in queue? seconds
The accompanying table displays information about the number of births (in thousands) and the number of deaths (in thousands) for certain years. Report the death rate as a percentage of the birth rate, and comment on its trend over time. What is causing the trend? LOADING... Click the icon to view the data table. Report each death rate as a percentage of the birth rate. Year Births (thousands) Deaths (thousands) Percentage of deaths per births 2006 4275 2445 nothing% 2007 4320 2408 nothing% 2008 4241 2465 nothing% 2009 4140 2436 nothing% 2010 4002 2455 nothing% (Round to one decimal place as needed.)
A recent survey showed that 22.1 million adults have cut the cord on cable TV services, a 30% increase from the previous year. If this trend continues, how many millions of adults can be expected to cut the cord next year? million adults

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