A charitahle organisation decided to give old age pensions to people over sixty years ofage. The scale of pensions were fixed as follow :60-65200 per month250 per month300 per month350 per month400 per monthAge group65–7070-7575-8080-85The ages of 25 persons who secured the pensions right are as given below :83,61,72,81,64,71,63,61,60,72,79,74.62,84,73,75,76,69,68,78,66,6767,74,64,Calculate monthly average pensions payable per person and the standard deviation.

Answered: Image /qna-images/answer/5321f17f-04b8-4283-892a-2e30380b5fb6.jpg

Answered: A charitable organisation decided to…

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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3)The following table shows data for the price of gasolince (per gallon) in various gasstations in a city. Complete the frequency table and anwer the following questions?Round to the nearest tenth of a percent if necessary.Price of Gas FrequencyCumulativeFrequencyRelativeFrequency0.00-0.99 11.00-1.99 12 132.00-2.993.00-3.99 19 594.00-4.99 625.00-5.99 63a.) What percent of the stations have price of gasoline at least $3 per gal? Round to thenearest tenth of a percent if necessary.b.) Find the mean price of gasoline? Round to the nearest cent if necessary.
Find the missing entries in the following frequency distributio Class Limit Frequency Relative Frequency Cumulative Frequency Cumulative Percentage Frequency 10 to - - - - - - to - - - 5 - - to - - 0.32 21 - - to - - - - - - to - 8 - 43 - - to 69 - - - -
Describe and explain the changes shown by the table between the two years for the following age groups: 1-5 years, 11-20 years, 21-50 years, and 61-90 years Answer: 2019 Female 2019 Male 2021 Female 2021 Male 1 to 5 years old 4.1% 4.5% 4.0% 4.4% 11 to 20 years old 8.7% 9.8% 8.6% 9.5% 21 to 50 years old 21.5% 23.6% 21.7% 23.8% 61 to 90 years old 4.9% 4.8% 5.2% 5%
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
My class intervals were 4.5-4.4, 4.4-4.5, 4.5-4.6, 4.6-4.7, 4.7-4.8, 4.8-4.9 Is this not correct?
The table shows the price and number of pieces sold for a total of three products. Use the Laspeyres composite index to find out how the number of pieces sold before Christmas has changed compared to November. number of pieces price product NovemberDecemberNovemberDecember 1 98 112 105 125 2 131 275 159 100 3 95 114 110 100 а. 1,27 b. 1,64 с. 1,52 d. 0,84 Zrušit mou volbu
The following are the index numbers of wholesale prices of a commodity based on 2011: Year Index Numbers Year Index Numbers 2011 2012 2013 2014 100 108 2015 2016 2017 210 225 240 120 150 Prepare new Index Numbers taking 2013 as base.
The table below shows the alcohol consumption per capita for seventeen high-income countries in 2000 according to https://ourworldindata.org. Country Liters of Alcohol Consumption per Capita in 1980 Australia 9.7Austria 11.1Belgium 11.5Canada 7.6Denmark 9.8Finland 5.1France 13.3Germany 12.7Italy 10.8Japan 6.5Netherlands 8.6New Zealand 9.1Norway 5.2Sweden 5.9Switzerland 11.4United Kingdom 8United States 7.7 1) Calculate the mean, median, mode, and standard deviation of the liters of alcohol consumption per capita for these 17 countries. Use your TI-84 calculator or Excel as necessary. If you calculate them by hand, include your work (neatly written on a separate sheet of paper!!). If you use Excel, include the Excel worksheet. If you use your TI-84, show what you’ve entered and the results you get. (You could take photos of your calculator and include those if you’d rather.)Mean = _______________________ (Round to 1 decimal place.)Median = ______________________Mode(s) =…
Data was collected for 310 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number of Guests 200-209 210-219 220-229 230-239 240-249 Frequency Class width= 95 58 19 95 43 What is the class width for this GFDT?
Bavsut Cement Company has divided Oman into different areas. The following table shows the Population and actual Sales for the current areas in which the company does business. The table also gives the Forecast values that were calculated for each of the areas: Population (thousands) Areas Sales Forecast (millions) (millions) A 2.53 410 413 1.76 240 232 C 6.81 595 590 4.22 325 339 E 12.77 990 925 F 5.09 665 662 G 10.82 840 859 16.84 1,450 1329 7.65 825 853 11.34 935 933 K 6.18 830 844 a. Calculate the regression equation. b. Calculate the correlation coefficient and interpret it. c. The company is planning to expand into two additional areas in the coming year. The population of these two areas are 743,000 and 387,000. What are the estimated sales that can be expected from these two areas? d. Compute the MAD value to arrive at the forecast accuracy.
Calculate MSE for the 4 periods for which the actual and forecasted number of customers given in the table below: Period Actual Number of Customers Forecasted Number of Customers Error 1 1,975 2,000 2 2,050 2,025 3 1,925 1,975 4 2,075 2,025 0 390.63 37.5 6,250 1,562.5
The following chart shows the average number of fast food meals consumed per year by 18-to-24-year-olds. Annual Meals per Person 300 250 200 150 100 50 Fast Food Meals 18- to 24-Year-Olds 2006 Clustered Chart This Chart is an example of a: Stacked Bar Chart Pareto Chart 11 Horizontal Bar Chart 2008 Year 2010

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