(a) Find the median and meán deviation of the following data:SizeFrequencySizeFrequency0-10740-501610-201250-601420-301860-70830-4025

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Answered: (a) Find the median and meán deviation…

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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Students in an experimental psychology class did research on depression as a sign of stress. A test was administered to a sample of 30 students. The scores are given. Complete parts (a) through (c) below. 32 54 11 15 35 21 OA. 158 34 15 55 51 11 35 2 1457 3 1234567 4123445566 511245666 34 33 46 OB. 11155 (a) Find the mean and median of the data. The mean is . (Round to three decimal places as needed.) 44 26 27 The median is .(Type an integer or a decimal.) (b) Draw a stem-and-leaf plot for the data using one row per stem. Which stem-and-leaf plot below shows the data? 2 112677 3 233445556 4 244666 5 1456 ... 21 42 38 OA. The distribution is symmetric. B. The distribution is skewed right (positively skewed). OC. The distribution is skewed left (negatively skewed). O D. The distribution is uniform. (c) Describe the shape of the distribution. Which description below best describes the shape of the distribution? 56 46 OC. 1112455668 2 14556 3 15 4 13457 5 223446667 46 27 33 35 22 44 36 0…
The following data are ages of infants (in months) at which they walked alone. These sample data were obtained from two populations. Sample A 9.8 11 9.5 9.8 10 13 10 14 10 9 10 9.5 Sample B 12 9.5 9.5 14 12 14 13 12 12 14 14 13 Compare the two groups as to their mean, median and mode. Central Tendency A B Mean ____________ ____________ Median ____________ ____________ Mode (s) ____________ ____________ Midrange ____________ ____________
Answer Q.1
The Department of Motor Vehicles office tried a new customer service system after people complained they were wasting too much time waiting in line. Use the two relative frequency histograms to answer the following questions. Waiting Times at the DMV (OLD SYSTEM) Waiting Times at the DMV (NEW SYSTEM) 50- 50 40 40- 30 30 20 10 0 0 5 10 15 20 25 30 0 5 10 20 25 30 Time Waited OLD (in minutes) 15 Time Waited (in minutes) Comparing the median and the mean for the new system we see that The mean is smaller than the median. The mean is larger than the median. The mean is almost exactly the same as the median. Percent 20 10 0 Percent
What is the slope of the median median line for the dataset in this table?
2. Find out (i) Mean (ii) Median and (iii) Standard Deviation for the following data. Class 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 Interval Frequency 15 18 22 28 32 26 25 17
Question : Find the Coefficient of Mean deviation for the following data Classes Frequency ( ) 10.8-14.7 109 14.8-18.5 118 19.6-20.7 127 20.8-30.6 131 30.8-40.7 140 40.8-50.7 116 50.8-60.7 109 60.8-70.7 119 70.8-80.7 101 80.8-90.7 98 90.8-100.7 76
1-) For the following data, please compute: X= [1 ,2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, ,8 ,9] A) Arithmetic mean, mode, median, and standard deviation. B) plot the histogram or ogive
Refer to the following data set: Round solutions to two decimal places, if necessary. What is the mean of this data set? mean- What is the median of this data set? median- 113 80 67 96 141 59 124 124 80 124 80 124 134 140 134 134 70 80 What is the mode of this data set? If no mode exists, type DNE. If multiple modes exist, enter the values in a comma-separated list. model
For the following ordered data: 7, 17, 27, 37 Mean 22 Median Mode does not exist Select one: O True O False

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(a) Find the median and meán deviation of the following data : nol Frequency Size Frequency Size 0-10 7 40-50 16 10-20 12 50-60 14 20-30 18 60-70 8 30-40 25