Example 5 Obtain mode for the following frequency distribution.Wage:578.105060708090 100f:1022034371719164

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Answered: Example 5 Obtain mode 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 company’s raw data sample of weekly salaries (in dollars) is shown below. 210 370 530 370 740 530 370 530 210 370 1140 210 A frequency distribution of this data set, based on a single-value grouping, is presented below with a third column showing the xf-values—the class midpoint (which here is the same as the class) times the class frequency. Salary(x) Frequency(f) Salary*Frequency(xf) 210 3 630 370 4 1480 530 3 1590 740 1 740 1140 1 1140 (i). Use the raw data to obtain the sample standard deviation of the ungrouped data. Round your answer to two decimal places. (ii) Use the grouped-data formula to obtain the sample standard deviation of the grouped data in the frequency distribution. Round your answer to two decimal places (iii).Compare your answers in parts (i) and (ii).
Determine the class intervals and create frequency distribution for each of the frequency tables. First Table (Price) Price Frequency $20 3 $35 5 $40 14 $60 16 Other 2 Second Table (Age) Age 18-24 25-34 35-44 45-54 55-64 65+ Frequency 12 2 9 12 5 0
14 11 15 9 17 12 15 8 12 10 18 14 12 10 8 10 8 15 11 5 Use the Credit Hour data to complete the following frequency table using 5 classes. Class width . Use a class width of 3 to build the classes and then fill in the rest of the frequency table. I filled in some of the first line to help you get started. Credit Hours (Classes) Frequency Class Midpoint Relative Frequency 5 – 7 1 6 – – – –
i need the answer quickly
Number 1
What is the coefficient of variation? Frequency 6. Classes 15- 29 30- 44 10 6. 45- 59 60 - 74 75- 89 11 9. 90 104 105- 119 120 134 3 3 O 42.24% O 43.24% O 44.24% 45.24%
Example 6.2 Find the range for the following frequency distribution: Frequency 7 30 Size of Item 20-40 40-60 60-80 80-100 100-120 Total 3 17 5 70
Example 27. The distribution of monthly wages (in Rs.) of 40 workers in a factory is given below: Monthly wages No of workers Monthly wages No. of workers 210 – 230 4 290 – 310 5 230 – 250 7 310 – 330 250 – 270 5 330 – 350 270 – 290 Draw a frequency polygon.
Q1/ A// Determine the relative cumulative frequency for the data below. Class 0-10 10-20 20-30 30-40 40-50 50-60 60-70 interval Frequency | 95 B// Draw the polygon curve for the data above. 30 60 40 20 10
Example 2-5. Obtain the median for the following frequency distribution: x : f : 6 7 15 1 2 3 4 5 8 10 11 16 20 -25
ff1
For the following frequency distribution find the mode. Class 3-6 6-9 9-12 12-15 15-18 18-21 21-24 Frequency 2 10 23 21 12 3

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Example 5 Obtain mode for the following frequency distribution. Wage: 5 6. 7 8. 9. 10 50 60 70 80 90 100 10 2 20 3 8 4 3 7 17 19 16 4