The following is a partial relative frequency distribution of consumer preferences for four products—W, X, Y, and Z. Partial Relative Frequency Distribution Table Product Relative Frequency W .15 X – Y .36 Z .28 (b) If 500 consumers were surveyed, give the frequency distribution for these data. Frequency Distribution Table Product Frequency W X Y Z

The following is a partial relative frequency distribution of consumer preferences for four products—W, X, Y, and Z. Partial Relative Frequency Distribution Table Product Relative Frequency W .15 X – Y .36 Z .28 (b) If 500 consumers were surveyed, give the frequency distribution for these data. Frequency Distribution Table Product Frequency W X Y Z

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. Consider the partial relative frequency distribution of consumer preferences for four products-W, X, Y, and Z that is shown below. Product Relative Frequency W .15 Y .36 .28 a. Find the relative frequency for product X. b. If 500 consumers were surveyed, give the frequency distribution for these data. c. Construct a percent frequency bar chart for these data. d. If we wish to depict these data using a pie chart, find how many degrees (out of 360) should be assigned to each of products W, X, Y, and Z. Then construct the pie chart.
1.[Short Answer] Construct (1) The frequency distribution (2) the frequency histgram (3)the frequency polygon (4)the relative frequency histgram for the following data set: the scores for 81 students. 114 114 108 133 115 127 109 133 121 106 134 131 91 121 94 96 95 95 76 103 113 99 74 81 107 58 81 90 85 70 96 67 66 93 81 92 98 58 88 44 80 93 76 43 60 70 54 58 43 35 40 49 73 51 27 45 57 79 65 65 60 47 32 56 60 32 59 51 44 41 50 41 42 44 22 28 33 35 35 21 25
On the basis of a population survey, there were 84.4 million males and 98.2 million females 25 years old or older in a certain country. The educational attainment of the males and females is shown in the accompanying table. Complete parts (a) through (d) below.
Q#1. For the following data set construct a frequency distribution and calculate i) ii) Median Mode 138, 104, 150, 132, 144, 125, 149, 157, 146, 158, 140, 147, 136, 148, 152, 144, 168, 126, 138, 176, 163, 119, 154, 165, 146, 173, 142, 147, 135, 153, 140, 135, 161, 145, 135, 142, 150, 156, 145, 128, 130, 131, 145, 152, 161
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calculate coefficient of variation for the following frequency distribution Ages 10-12 12-14 14-16 16-18 18-20 20-22 22-24 24-26 26-28 f 3 30 110 218 275 222 108 32 2
We will rank the y-values of the following data set: x y -1 0.6 -0.5 -5.2 1.7 6 2.6 7.2 3.2 11.6 5.1 15.3 6.7 7.7 8.8 17.1 9.4 22.4 10.1 13.8 Fill in the following table: x y x-rank y-rank -1 0.6 1 -0.5 -5.2 2 1.7 6 3 2.6 7.2 4 3.2 11.6 5 5.1 15.3 6 6.7 7.7 7 8.8 17.1 8 9.4 22.4 9 10.1 13.8 10
Stocks may be categorized by industry. The accompanying data represent three-year rates of return for a sample of financial stocks and retail stocks. Complete parts (a) through (e) below. Click the icon to view the data tables. (a) Construct a relative frequency distribution for each industry. To make an easy comparison, create each frequency distribution so that the lower class limit of the first class is -20 and the class width is Construct a relative frequency distribution for financial stocks. Complete the table below. Rate of Return Relative Frequency Rate of Return Relative Frequency -20 to -0.01 100-119.99 0-19.99 20-39.99 40-59.99 60-79.99 80-99.99 (Round to three decimal places as needed.) -xample Get more help. 120-139.99 140-159.99 160-179.99 180-199.99 1 √₁ Vi 1, Rates of Return Financial Stocks Full data set - 19.75 55.74 55.39 58.44 59.94 0.45 102.29 52.27 195.61 -1.82 44.35 46.14 177.43 85.34 20.57 196.67 57.37 106.80 24.36 93.07 78.51 85.12 176.32 14.83 116.35 150.77…
Project on using MS-Excel in descriptive analysis of data: Assuming that you have conducted a survey in a company for a sample of at least 50 employees, you collected data about employees’ job title, academic qualification, years of experience, and salary of the employee (four variables). Required: a. Input the data about the four variables in MS-Excel sheet. b. Prepare frequency distribution tables for the variables. c. Prepare appropriate graph for each of the frequency tables. d. Prepare a pivot table (cross tabulation) for the two qualitative variables. e. Conduct descriptive analysis for the two quantitative variables (summary measures). f. Find the coefficient of variation (CV) and compare the dispersion of the two quantitative variables.
Complete the frequency distribution for purchase influence, and compute the relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Purchase Influence Frequency Relative Frequency Price enter your response here enter your response here Comfort enter your response here enter your response here Brand enter your response here enter your response here Quality enter your response here enter your response here Style enter your response here enter your response here
In a frequency distribution graph, frequencies are presented on the and the scores (categories) are listed on the 1 Question 13 options: X axis; Y axis horizontal line; vertical line Y axis; X axis class interval; horizontal line
A large company's human resources manager undertakes a research that examines the employment records of 500 employees for absenteeism over the previous year. The data is organised into a frequency distribution by the business researcher conducting the study to assist the human resources manager in analysing the data. This graphs show the frequency distribution. Class interval Frequency 0 – 1 218 2 – 3 207 4 – 5 56 6 – 7 11 8 – 9 8 List three specific uses of cumulative frequencies in business. Display a relative frequency histogram and relative frequency polygon for these data. Find mean, median, mode, variance and standard deviation for grouped data.