4. Calculate the mean deviation from the following data. Whatlight does it throw on the social conditions of the community?Difference in age between husband and wife in a particular communityis given in the following table.Difference in yearsFrequencyDifferentce in yearsFrequency0-544920-251095-1070525-305210-1550730-351615-2028135-4014

Answered: Image /qna-images/answer/30143179-548f-420d-b8bb-a5a6d7474095.jpg

Answered: 4. Calculate the mean deviation from…

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 graduating class reported starting salaries represented on the following frequency table. Number of students Starting Salary ($) 10 15,000 17 20,000 25 25,000 38 30,000 27 35,000 21 40,000 45,000 For the data in the table above, what is the MEAN?
Ch Older people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job contained in the table below. 11 47 20 15 43 17 16 31 6. 34 6. 23 22 12 20 16 28 26 20 49 23 15 26 11 14 15 16 22 22 40 27 14 16 17 26 36 14 a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round your answer to two decimal places. weeks b. At 96% confidence, what is the margin of error? Round your answer to four decimal places. c. What is the 95% confidence interval estimate of the mean? Round your answers to two decimal places. d. Find the skewness. Round your answver to four decimal places. Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study? Considering a slightly larger sample next time Select your answer- a good strategy. Check My Wo.
Suppose that a histogram is constructed for the frequency distribution shown below.
Exam Grade 55 91 88 188 33 98 78 170 59 88 10 Given the above data set, what is the sample standard deviation of Study hours using a sample of the following students (Student Numbers: 1,3,5,9). Round to the nearest hundredth. Student # 11 2 3 14 5600 7 Study Hours 42 22 24 19 51 11 22 9 39
Exhibit 13-31 To test whether or not there is a difference between treatments A, B, C and D, a sample of 12 observations has been randomly assigned to the four treatments. You are given the results below. Treatment A B 2 C D 1.872 46.33 15.44 Observation 36 30 26 30 26 25 33 Refer to Exhibit 13-31. The mean square between treatments (MSTR) equals 20 28 28 22 34 28
A group of friends get together every Sunday for a little pick-up hockey. The age of the 20 regulars is shown below. 21 25 26 46 28 22 42 38 22 38 49 44 55 33 45 31 24 43 25 37 Find the mean, median, and mode for the distribution (ungrouped data). Which measure best describes these data? Explain. Group these data into six intervals and produce a frequency table. Determine the mean, and median for a new set of grouped data.
The semi-averages of the below given data are: Year Rainfall 1999 21 2000 11 2001 14 2002 16 2003 18
Use the hourly rates on the right (rounded to the nearest whole dollar) for 35 support employees in a private college to complete the frequency distribution and find the grouped mean. Complete the class frequency table below. Class interval 6-10 11-15 16-20 21-25 26-30 Total Class frequency ☐☐☐☐☐☐ Midpoint 8 13 18 23 28 $15 $25 $15 $17 $25 $15 $7 $10 $7 $13 $13 $18 $17 $16 $15 $7. $16 $18 $24 $19 $17 $15 $12 $29 $10 $11 $27 $17 $12 $13 $12 $14 $11 $12 $8
C. The following table summarizes the grade point averages (GPAS) of graduate students in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 3.2-under 3.4 3.4-under 3.6 6 3.6-under 3.8 16 3.8-4.0
These data are the number of on-campus burglaries reported in a given year for nine western Pennsylvania universities. 16 10 4 16 9 8 12 5 16 For the above data set, find the mean, median, midrange, and mode. Round to one decimal place, if necessary.
The distribution of yearly income of people (thousand $) was as follows: Class <31 31-40 41-50 51-60 61-70 71-30 81-90 91-100 101-110 111-120 Frequency 7 13 5 12 23 7 10 4 14 3 Find the mean, median, and mode for the given data
The following table displays the ages of female actors when they starred in their award-winning performances. Ages of Female Award Recipients 40 41 35 33 29 27 30 34 29 74 35 28 32 45 61 49 49 32 37 39 33 60 33 45 21 27 67 42 26 26 25 34 45 81 36 54 Find the mean and the median for the data in the table. (Round your mean to one decimal place.) mean median

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