5. Draw a bar chart for the following data showing the percentage of total population invillages and towns:Percentage of total population inVillagesTownsInfants and young children13-712.9Boys and girls25.123.2Young men and women32.336.5Middle-aged men and women20.420.1Elderly persons8.57:3

Answered: Image /qna-images/answer/68cc79a5-6940-465a-9cdc-c4d3c70a40bc.jpg

Answered: 5. Draw a bar chart for the following…

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. Complete the last column of a copy of this table. Ago Number of People Proportion of Population Under 18 74,181,467 0.2403 18–44 112,806,642 45-64 81,489,445 0.2639 65 and Over 40,267,984 Total 308,745,538 Source: Age and Sex Composition: 2010, Census Briefs, www.census.gov/prod/ cen2010/briefs/c2010br-03.pdf
5. The graph below shows the LFPR for 25-54 year old men over several decades. Percent 100 May-16 98 96 94 92 90 88 86 1948 1954 1960 1966 1972 1978 1984 1990 1996 2002 2008 2014 Source: Bureau of Labor Statistics, Current Population Survey; CEA calculations. (Source: Voxeu.org) It shows that the fraction of these "prime working age men" who are NOT in the labor forced has a. doubled b. tripled c. quadrupled d. not changed
Statistics Question
To compare a group mean to a population we compare: a. proportional reduction in error b. a z statistic c. mean square error c. a z score
C6. Let's continue our analysis of offenders and victims of violent crime. In the following table, U.S. Department of Justice 2011 data for the sex of offenders and the sex of victims are reported. Sex of Offender Sex of Victim Male Female Male 3,760 450 Female 1,590 140 Source: U.S. Department of Justice, Expanded Homicide Data, Table 6, 2011.
Below are data from a survey on number of times students go to ABC Mall per month: Number of visits to ABC Mall Frequency Proportion Percentage Cumulative Percentage 0 10 1 21 2 23 3 28 4 15 5 or more 12 Total Using the data above, Calculate and fill in the “proportion” column Calculate and fill in the “percentage” column Calculate and fill in the “cumulative percentage” column
C6. How many hours per week do you spend on e-mail? Data are presented here for a GSS sample of 99 men and women, who each reported the number of hours they spent per week on e-mail. a. Compute the cumulative frequency and cumulative percentage distribution for the data. b. What proportion of the sample spent 3 hours or less per week on e-mail? C. What proportion of the sample spent 6 or more hours per week on e-mail? d. Construct a graph that best displays these data. Explain why the graph you selected is appropriate for these data. E-mail Hours per Week Frequency 19 20 1 13 2 2 4 6. 6. 2 8. 1 6. 23 10 or more 7.
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.
The table to the right shows data found at a government census website, under a "Did You Know" panel. What type of data source is the information presented here based on? Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6% Male 504,214 477,491 −5.3% Retail Trade Female 168,942 146,473 −13.3% Male 162,502 144,302 −11.2% Question content area bottom Part 1 Choose the correct answer below. A. The information is the outcome of an experiment that was conducted. B. The information is the result of an observational study that was conducted. C. The information is the result of a survey that was conducted. D. The information is collected via ongoing business activities. E. The information is distributed by an organization or individual.
Lucy is estimating the income level of households in a specific zip code. She randomly calls 100 households and collects information about their income levels. Which of the following is not true. 1. The average income level of all households in the zip code is a population parameter. 2. The total income of the surveyed households is a sample statistic. 3. The average income of the surveyed households is a sample data. 4. The surveyed households are considered a sample of the overall population of households living in the zip code.
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?
3. The following ages of 11 music teachers in a school district. Notice that the ages are ordered from least to greatest Give the five-number summary and the interquartile range (IQR) for the data set: 33,34,37,39,40,40,45,48,50,56,57 Minimum: Maximum: Median: Q1: Q3: IQR:

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