The table shows the price and number of pieces sold for a total of three products. Use the Laspeyres composite index tofind out how the number of pieces sold before Christmas has changed compared to November.number of piecespriceproductNovemberDecemberNovemberDecember1981121051252131275159100395114110100а. 1,27b. 1,64с. 1,52d. 0,84Zrušit mou volbu

The following data is given: Quantity (q0) Quantity (q1) Price (p0) Price (p1) Product…

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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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A study was conducted to determine where zebra are found in a region containing a various habitats including savannahs, grasslands, woodlands and mountainous areas. A map of the study area was partitioned into four habitat types. The figure below shows these four habitat types. The proportion of total acreage in each of the habitat types was determined for the study area. Using an aerial survey, zebra locations were observed and classified into one of the four habitat types. The results are given in the table below. Proportion of Total Acreage Habitat Туре Number of zebra Observed Expected number of zebra 1 0.340 25 2 0.101 22 3 0.104 30 4 0.455 40 Total 1.000 117 The researchers who are conducting the study expect the number of zebra observed in a habitat type to be proportional to the amount of acreage of that type of habitat. Are the data consistent with this expectation? The critical value is 7.815 with a significance level of 0.05.
A certain county had a population of 34,485 people. The county hospital is interested in estimating the number of people in the county with blood type-O. To do this, they test blood samples from 228 patients. Out of this group, 10 have blood type-O. Use this sample to estimate the number of people in the county with blood type-O.
The total number of Corona cases in the US, please keep in mind it is a running total. Courtesy of worldometers.info Date in 2020 Day (t) Number of Corona Cases (C) Feb. 15 1 15 Feb. 26 12 68 Mar. 8 23 541 Mar. 19 34 14,896 Mar. 30 45 171,655 Apr10. 56 517,100 Apr. 21 67 835,559 May 2 78 1,170,301 May 13 89 1,443,627 May 24 100 1,704,112 June 4 111 1,942,737 June 15 122 2,187,774 June 26 133 2,556,718 July 7 144 3,109,759 July 18 155 3,849,089 July 29 166 4,588,252 Aug. 9 177 5,228,738 Aug. 20 188 5,771,205 Aug. 31 199 6,239,373 Sept. 11 210 6,673,451 Sept. 22 221 7,109,730 Let C be the total number of Corona Virus cases in the United States by the end of the t days since Feruary 14, 2020. (Let t = 0 represent Feb. 15, 2020.) Create a scatter plot of the data. Take up the entire piece of graph paper.…
The highway department wants to estimate the proportion of vehicles on a Highway at KM 25 between midnight and 5:00 A.M. The head of the department wants to see how many 18-wheel tractor trailers pass on the road. These estimates will be used to determine highway repairs and construction considerations and in highway patrol planning. The department chief asked investigators to calculate estimates of vehicles at different locations on inter-island roads over the past 7 days. From 3,481 vehicles counted there are 927 are 18-wheel drive. However, out of the total 927, there were 51 vehicles that had accidents so that the sample was calculated based on the results of a reduction in the number of accidents. Specify an approximate point for the proportion of vehicles performingtravel on KM 25 during this time period which is an 18-wheeled vehicle!(Assume the confidence level is 99%). What are the benefits of estimating value estimates in this case (analysis of the answers you have obtained)?
In a study conducted by a human resource management organization, 492 human resource professionals were surveyed. Of those surveyed, 83% said that their companies conduct criminal background checks on all job applicants. Complete parts (a) through (d). Question content area bottom Part 1a. What is the exact value that is 83% of 492 survey subjects?
Please help with question 1 in image. Thank you.
What is the approximate forecast for November using a four-month moving average? Oct - 700Sept - 600Aug - 880July - 670June - 430
The national center for educational statistics reported that in 2008-2009, 178,564 master's degrees in education were awarded in the United States, and that this represented 27% of all master's degrees awarded. How many master's degrees were awarded in 2008-2009?
The following table shows the square footage of houses in an area that sold recently along with the selling price. Sq. Ft. Price 2096, 295000, 3160, 338000, 2320, 265000, 3150, 365000, 2760, 330000, 3650, 412000, 2125, 320000, 3085, 342000, 4750, 485000, 2100, 320000, 3100, 316000, 2240, 321000, 3300, 347000, 2800, 350000, 2825, 330000, 3275, 420000 1. Find the equation of the regression line (line of best fit). 2. Determine if there is a strong linear correlation. 3. If there is a strong linear correlation predict the selling price of a 3333 sq. ft. home
determine the range 12,20 ,22,13,13,28,22,19,13,17
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1 of 2: Suppose a sample of 1875 floppy disks is drawn. Of these disks, 1594 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer How to enter your answer (opens in new window) Tables Keypad
suppose 15 percent of the computers in some university labs are defective

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