C12. Do homicide rates vary with country population? Investigate this question using UnitedNations' data for countries grouped by population size. Calculate the mean and medianATISTICS FOR A DIVERSE SOCIETY for each group. Describe the distribution for each group. Which group has the higherhomicide rate?2013 Homicide Rate per 100,000# 1-10 Most PopulatedMurder Rate#11-20 Most PopulatedMurder RateChina0.8Mexico18.9India3.3Philippines9.3United States3.8Ethiopia8.1Indonesia0.6Vietnam1.5Brazil26.5Germany0.7Pakistan7.8Egypt3.4Nigeria10.3Iran4.8Russia9.0Turkey4.313.5Democratic Republic ofthe Congo0.3Japan4.92.6ThailandBangladeshSource: United Nations Office on Drugs and Crime, Statistics: Intentional Homicide, Counts and Rates per100,000 Population, 2015. Retrieved from http://data.un.org/Data.aspx?d%3DUNODC&f=tableCode%3A1

Generally, for symmetric distribution Mean≈Median, for right skewed distribution Mean>Median and…

Answered: for each group. Describe the…

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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I only need help with C and D. Thank you!
The following table gives the2009 estimates of crude oil reserves(in billionsof barrels).. Please answer step by step.Don,t skip any part. ANswer follow image.Answer must be correct.Do all calculation and classify
C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52
25. Please tell me which one to choose.
Analyze the data and write a short report. Your report must contain A frequency distribution of respondents’ age, gender and race. Age Frequency 17 6 18 6 19 5 20 3 Gender Frequency Female 9 Male 11 Race Frequency African 6 Chinese 2 Indian 12 Tables showing the total average consumption of the three types of foods and the two types of drinks. Food Total Consumption Percentage African 36 46.15% Chinese 32 41.03% Indian 10 12.82% Drinks Total Consumption Percentage Juice 44 60.27% Water 29 39.72% Cross-tabulation of the respondent’s Age and sex with drink preference. JUICE Sex Total Age Female Male 17 1 3 4 18 2 2 4 19 1 0 1 20 3 0 3 TOTAL 7 5 12…
1. In statistics the term frequency is normally thrown around, especially relating to tables and charts. Explain the term frequency in statistics as well as the concept of cumulative frequency. 2. As mentioned above, tables and charts are used to illustrate data in statistics. Some of the common tables and charts used are tally charts, cumulative frequency table, bar/ column chart, histogram and pie chart. 3. Using these numbers 17 17 19 12 13 16 17 14 14 11 14 17 18 16 14 14 17 13 18 19 18 14 12 19 17 11 19 13 15 17 15 15 17 12 17 13 16 12 16 13 13 11 12 11 16 13 15 16 13 13 Example Class 11 12 13 14 15 16 a. Construct firstly a tally chart and cumulative frequency table with the classes labelled (11, 12, 13, 14, 15, 16, 17, 18, 19) 17 18 19 Tally b. Using either your tally chart or cumulative frequency table, construct a horizontal bar chart, a histogram, and a pie chart to illustrate the data. 4. Statistics also delas with the likelihood of a particular outcome happening, this is…
Descriptive Statistics.For the given data:4 8 18 20 21 22 23 24 25 26 27 28 29 30 30 31 31 32 32 33 33 34 35 36 37 38 39 47 53 a. Make a Frequency Diagram with 7 classes.b. Draw the histogram.
*42. Smartphone Ownership. The Pew Internet & American Life Project compiles data on smartphone ownership and publishes the results in the document Smartphone Ownership. The first two columns of the following table provide a percentage distribution for age of U.S. adults. The third column of the table shows the percentage of people in each age group who own a smartphone. Age group (years) Percentage of adults Percentage who own a smartphone 18–24 12.5 79 25–34 18.0 81 35-44 16.7 69 45–54 17.5 55 55–64 16.4 39 65+ 18.9 18 Suppose that a U.S. adult is selected at random. Determine the prob- ability that the person selected a. owns a smartphone, given that he or she is between 18 and 24 years old.
C.W: The following frequency table represent the number of iPods sold within 30 days. IPods sold No. of days 5-9 3 10 - 14 6 15 - 19 8 20 - 24 8 25 – 29 5 a- Find the class boundaries and class midpoints. b- Do all classes have the same width? If yes, what is it? c- Prepare the relative frequency and percentage distribution columns. d- What percentage of the iPods sold in six days or fewer?
7. Consider the frequency distribution. Draw a Frequency Bar Graph. Be sure to label both axes and include a title. Tree Type Frequency Ash 23 Bradford Pear 16 Maple Oak 20 14 8 Birch
Thank you.
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.

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