Explore BrainMass

Explore BrainMass

    Frequency Distribution

    BrainMass Solutions Available for Instant Download

    Descriptive and Inferential Statistics

    Use my data to: 1. Identify 1,2, 3 Sigma ranges (Show all calculations all samples) 2. Frequency Tables (Show all calculations all samples) 3 Different Aspects of descriptive statistical data Graph Showing Frequency Tables 2 Relevant Probability Questions 95% confidence interval for all samples Price

    Comparing means and dispersion

    The annual incomes of the five vice presidents of TMV Industries are: $125,000; $128,000; $122,000; $133,000; and $140,000. Consider this a population. a. What is the range? b. What is the arithmetic mean income? c. What is the population variance? The standard deviation? d. The annual incomes of officers of another firm sim

    Frequency Plot using Excel

    Use my average data for the colors of the M&M's. The data are given as Color, Observed Frequency: Brown, 49.67; Red, 30.33; Yellow, 28.33; Green, 21.67; Blue, 18.67; Orange, 18.33. The total n = 167. First calculate the expected frequency. Then prepare a frequency plot in Excel of observed frequency for the data and plot a s

    Construction of Frequency Distribution and Histogram

    Construct a frequency distribution (class, tally and frequency) for the data set using the indicated number of classes. In the table, include the midpoint, relative frequencies and cumulative frequencies. Also construct a relative frequency histogram. Number of class: 5 Data set: 14 10 6 4 19 20 11 5 12 18 5 10 13 23 22 3 12 10

    Tracking Software for Company Surveys

    A producer of computer-aided design software for the aerospace industry receives numerous calls for technical support. Tracking software is used to monitor response and resolution times. In addition the company surveys customers who request support using the following scale: 0 -- Did not exceed exceptions 1 -- Marginally met e

    Considering Statistical Concepts

    Having a hard time with statistics fill in the blank and the textbook isnt helping. *One of the rules for determining the number of classes that should be used to relative frequency table that describes measurement data is the ?_ the sample size. *A ?_ diagram is a bar chart in which categories are plotted in order of de

    A sample was taken of 25 high school seniors who were planning to go to college.

    3. A sample was taken of 25 high school seniors who were planning to go to college. Each of the students was asked which of the following majors he or she intended to choose: business, economics, management information systems (MIS), behavioral sciences (BS), other. The responses of these students are as follows: Economics

    Relative Frequency Distribution of Coke

    Construct a relative frequency distribution for the weights of regular Coke by starting the first class at 0.7900 lb. and use a class width of 0.0050 lb. What I need is to understand the process to solve this problem. Weights are in pounds and volumes are in ounces. WEIGHT REG. COKE VOLUME REGULAR COKE 0.8192

    The Solution to Basic Statistics

    I need help with the attachment. 60. Owens Orchards sells apples in a large bag by weight. A sample of seven bags contained the following numbers of apples: 23, 19, 26, 17, 21, 24, 22. a. Compute the mean number and median number of apples in a bag. b. Verify that S (X - X) = 0. 62. The Citizens Banking Company is study

    Probability from frequency distribution.

    A survey of 100 clients of pacific gas and electric resulted in the following frequency distribution of monthly charges. Amount Number 0-49 13 50-99 22 100-149 34 150-199 26 200-249 5 a. Let A be the event that the monthly charges are $150 or more. Find P(

    For these 4 questions below, what would be the (1) independent and dependent variables, (2) the level of measurement, and (3) whether or not the variable is discrete or continuous.

    For these 4 questions below what would be the independent and dependent variables, the level of measurement and whether or not the variable is discrete or continuous. 1)A graduate student is studying sexual harassment on college campuses and asks 500 female students if they personally have experienced any such incidents eac

    Statistical Operations and Frequency

    Perform the following statistical operations on the height data from the data document attached to the problem and compile the results into a Microsoft Word Document. . Create a frequency distribution. . Construct a frequency polygon and describe the shape of the distribution. . Calculate three measures of central tend

    Statistics and Frequency Distributions

    QUESTION #1 Refer to the real estate excel data set at : http://highered.mcgraw-hill.com/sites/0073030228/student_view0/index.html A. Organize the data on the number of bedrooms into a frequency distribution. 1. What is the typical number of bedroom? 2. What are the the fewest and the most number of bedrooms offered

    Simple Statistics Questions on Animal Trainers

    An animal trainer obtained the following data (Table A) in a study of reaction times of dogs (in seconds) to a specific stimulus. He then selected another group of dogs that were much older than the first group and measure their reaction times to the same stimulus. The data is shown in Table B. See attached file for full prob

    Construct Frequency Distribution Table

    Question 1 A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (excellent quality). The results were 32, 34, 40, 43, 44, 47, 48, 49, 49, 50, 50, 51, 51, 52, 53, 54, 55, 59, 62, 65, 66, 66, 70

    Mixed Statistics Problems

    1. A health magazine presented results of a recent study that analyzed data collected by the U.S. Census Bureau in 2000. Results reveal that for both men and women in the United States, heart disease remains the number one killer, victimizing 500,000 people annually. Age, obesity, and inactivity all contribute to heart disease,

    The Solution to Relative Frequency

    A sample of 309 adults is selected. The adults are classified according to their voter registration status and their preferred source of current events information. The results are given in the contingency table below. Voting registration Status TV Newspapers Radio Internet Sites Registered

    Exercise using the Mean and Range using Bivarate Tables

    Using the MEAN & RANGE to describe the distribution of responses to the question, "How often have you used the library as a place to study.." FOR ALL RESPONDENTS. Next CONSTRUCT 2 BIVARIATE TABLES. Each should be TITLED, PERCENTAGE, & INCLUDE THE NUMBER OF CASES ON WHICH THE PERCENTAGES ARE BASED. Be sure to PLACE YOUR IV IN

    Data analysis for Pneumonia Patients

    You have been asked to analyze data for all pneumonia patients admitted between January and March 2004 in your hospital. You have been directed to present the following information to the Medical Staff regarding the pneumonia patient population. - Describe the pneumonia population. You have the option to describe the populati

    Three Quantitative Problems: Frequency distributions

    A. Develop a frequency distribution using classes of 12-14, 15-17, 18-20, 21-23, and 24-26. B. Develop a relative frequency distribution and a percent frequency distribution using the classes in part (a) Mendelsohn Media Research provided survey data on the annual amount of household purchases by families with an annual in

    Describe and compare the industrial specialization within the Chicago MSA.

    Part 1: collecting 2002 Economic Census data from the Census Bureau's World Wide Web home page for the 13 Chicago CMSA counties. Chicago: Cook, DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall, Kenosha (WI), Lake (IL), Lake (IN), McHenry, Porter (IN), and Will. Steps: http://www.census.gov From Web Page: -click on America

    Cost Benefit Analysis

    A certain type of injury has tangible costs of $40,000 per occurrence and intangible costs of $150,000 per occurrence. Injury frequency is .05 per year but would be reducible to .01 per year with the installation of a new guarding system. Calculate the annual benefit the new system provides. A certain company estimates that i