Lahey Motors specializes in selling cars to buyers with a poor credit history. Listed is the number of cars that were repossessed fromLahey customers because they did not meet the payment obligations over each of the last 36 months.71011411221210101515613121219891015814811157171586101013I Click here for the Excel Data File(Leave no cells blank - be certain to enter "O"a. Find the control limits from the c-bar data for the number repossessedwherever required. Round your answers to 2 decimal places.)Mean number of defects per unitLCLUCLb. Were there any months when the number was out of control?O YesO No

Answered: Lahey Motors specializes in selling…

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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2. The following bar graph shows LinkedIn’s annual (quarterly) revenue growth (in million $) from three different sources alongside Year-over-Year (YOY) growth curve. Describe the graph briefly with relevant information using your own words.
Walmart predicted the following end-of-year earnings from 2003 - 2012 in billions of dollars (9.5, 9.8, 10.2, 10.7, 10.5, 11.0, 12.1, 14.7, 16.3, 18.7). Their actual end-of- year earnings for the same years are as follows: 9.1, 9.2, 10.6, 10.3, 9.9, 10.4, 11.6, 11.8, 13.1, 22.7). In testing the claim that the mean predicted value is the same as the mean actual value, which p-value is correct? 0.228 0.456 0.779 0.05 4
Consider the 12 weeks of demand in the following table. Calculate the CMA for Weeks 2 through 11. What is the CMA for Week 4? Round your answer to the nearest whole number. Week Demand 1 23 2 19 3 21 4 22 5 19 6 22 7 19 8 20 9 22 10 22 11 19 12 21
Mariah Jacobsen is the marketing manager at ABC Electronics, a major consumer electronics supplier in the northwest. Over the last five years, sales of the company's flagship product - the Wizer Anonymizer (the WA) - have been 45000, 45500, 44500, 46000 and 44000 units. This rate of sales is considered average for the product over the last twenty years or so. Ms. Jacobsen believes that the distribution of the WA's sales is normal with a standard deviation of 1500 units. If she were asked to make a forecast of next year's sales to upper management, what is the likelihood that she would be correct if she predicts sales between 43000 and 46000?
The prices of earphones (in rands) at a music shop are shown in the table below for each month in 2006. It is generally accepted that the same price pattern repeats itself three times per annum and this principal may also be applied here. Consider this partially completed tables: Period 1 2 3 4 5 6 7 8 9 10 11 12 Prices (y) OB. 46.5 OC. 34.56 OD. 56.03 54.50 54.75 55.20 56.30 56.25 56.10 55.90 56.10 56.80 56.95 56.80 56.55 3-period Moving average 54.82 55.33 93.08 56.22 56.08 A 56.27 56.62 56.85 56.77 Seasonal index 99.87 99.6 100.68 100.05 100.04 B 100.18 Calculate the value of the missing moving average located at A. Round off to two decimals. OA. 57.56
Quarterly Glass Container Demand Year 1990 1991 1992 First Qtr. 17,446. 17,748. 17,595. Second Qtr. 17,785. 19,360. 18,338. Third Qtr. 18,971. Fourth Qtr. 19140. 17,802. 19,413. 18,315. 18,083. Question: Quarterly sales (in thousands of units) of a product over the last two years have been 26, 29, 30, 27, 28, 32, 33, and 30. Plot the data and forecast for the next period using Winter's Seasonal Model. Now, assume sales for the ninth quarter turned out to be 32. Update your parameter estimates and forecast sales for period 10.
1. In 1995 the U.S. Census Bureau reported that the average lifetime earnings of a person who holds a high school diploma is $821,000 and that the average lifetime earnings of a person who holds an associate's degree is $1 million. Draw a bar graph that appears to show: a. a small increase b. a large increase For your information: Lifetime earnings for a bachelor's degree holders average $1.5 million; master's degree holder's $1.7 million; for doctorate holders, $2.1 million; and for professional degree holders, $3 million. Do you think that these lifetime earmings have changed much since first reported in 1995?
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.

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