Calculate D, for the frequency distribution of monthly income of workers in aactoryIncome (inthousands)0- 412 - 16 16 - 20 20 - 24 24 28 28 324 88- 12No of persons 101287846.5.

Answered: Image /qna-images/answer/c1683480-5f03-47d5-8696-ccefbc3534d7.jpg

Answered: Calculate D, for the frequency…

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).
3. The number of customers at a dry-cleaning shop were recorded over a period of 30 working days. The results were as follows: 20 28 26 25 19 27 18 32 26 30 31 29 31 25 21 25 21 | 24 29 18 28 31 27 19 23 31 25 34 27 | 31 (a) Construct a cumulative relative frequency table and use this to draw a cumulative relative frequency curve. (b) Find the five-number summary for these data. (c) Display your answer to b. as a box and whisker plot
2) Kate works as a manager at a call center. She wants to observe how waiting times of customers to be assigned with a representative show variation so that she can schedule the working hours of employees accordingly. Her claim is that variance between waiting times is no more than 60 minutes. She keeps track of waiting times for 22 customers which are given below: 35 29 12 35 16 28 37 13. 14 38 15 39 23 26 29 16 19 23 15 25 17 28 Kate wants to find the smallest Type 1 error probability that allows her to reject Ho. Define an interval for such Type 1 error probability.
The following table gives the frequency distribution of times that clients spent waiting in line for bank transactions. Waiting time Number of (in minutes) clients 0 - 6 20 7 - 13 24 14 - 20 18 21 – 27 12 28 – 34 35 – 41 LO
Group A5- 5 86- 1 3 77- 0 1 1 2 5 6 7 8 8 88- 1 2 3 3 3 4 4 5 6 89- 0 2 710- 0 0 Key: 5|5 represents 55 Group B5- 76- 4 87- 1 2 2 5 68- 0 2 4 5 5 5 7 79- 1 3 4 5 6 7 7 8 8 9 910- 0 0 0Key: 5|7 represents 57 1. Calculate the mean, median, range, and interquartile range for each data set. 2. Using the appropriate measures, compare the center and variability of the two groups of students. Explain your reasoning based on the shapes of the distributions.
Find the z value or area for the charts shown below using the Standard Normal Distribution. (You can use the Normal Charts or the calculator!) (a) Area = .3521 Z = Round to two decimals places
Find the coefficient of correlation between the sales and expenses of the following 10 firms: Firms Sales ('000) : 1 2 3 55 4 6. 65 5 7 9 10 60 50 8 : 50 50 60 65 65 60 Еxpenses ('000) :11 13 14 16 16 15 15 14 13 13
Activity: Construct FDT (including rf, cf) Age (in Years) of Adult Patients at XYZ Hospital 39 40 31 40 37 40 42 40 35 40 39 39 40 39 1. What is the range of the distribution? 2. What is the interval size? 37 38 40 63 37 41 38 40 38 35 54 38 44 35 3. What is the frequency of the highest class limit? 4. What is the relative frequency of the lowest class limit? 5. What is the frequency of the relative frequency distribution with 0.50 value? 37 Answer the following questions: 44
A production manager counted the number of items produced each hour during a 40-hour workweek. The frequency distribution is given in the table. Determine the relative frequency distribution ← associated with this data. Number Produced During Hour Number of Occurrences Complete the table. Number Produced During Hour 50 2 51 52 0 50 51 View an example Textbook 52 Relative Frequency (Type integers or decimals. Do not round.) 53 6 53 10 54 55 10 55 56 57 2 56 0 58 59 0 4 57 58 59 MacBook Air WHO Clear all Check answer 2

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Calculate D, for the frequency distribution of monthly income of workers in a actory Income (in thousands) 12 - 16 16 - 20 20 24 24 28 28 32 0-4 4 8 8- 12 No of persons 10 12 8 7 8 4 6. 5.