SkinfoldThighMidarmBody Fat19.543.129.111.924.749.828.222.830.751.93718.729.854.331.120.119.142.230.912.925.653.923.721.731.458.527.627.127.952.130.625.422.149.923.221.325.553.524.819.331.156.63025.430.456.728.327.218.746.52311.719.744.228.617.814.642.721.312.829.554.430.123.927.755.325.722.630.258.624.625.422.748.227.114.825.25127.521.1 **Scatter Chart and Correlation Analysis Instructions**a) Create and display a scatter chart (in Excel) for Body fat (Y axis) and skinfold (x-axis).b) Create and display a scatter chart (in Excel) for Body fat (Y axis) and thigh (x-axis).c) Create and display a scatter chart (in Excel) for Body fat (Y axis) and midarm (x-axis).d) Analyze what each of these charts suggests about the relationship between body fat and the other variables.e) Run a correlation for each combination of the data (each independent variable with the dependent variable).f) Discuss what the correlations for each combination suggest regarding the strength and direction of the relationships.

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Answered: a) Create and display a scatter chart…

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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Standard Normal Table z .0 1 .2 3 .4 .5 .6 .7 .8 .9 -3 0013 0010 .0007 .0005 0003 0002 0002 „0001 .0001 .0000+ -2 0228 0179 .0139 .0107 0082 .0062 0047 0035 .0026 0019 -1 .1587 .1357 .1151 0968 0808 .0668 0548 0446 .0359 .0287 -0 5000 4602 4207 3821 3446 3085 2743 2420 2119 .1841 0 5000 5398 5793 6179 .6554 .6915 7257 7580 7881 8159 1 8413 8643 8849 9032 9192 9332 9452 9554 9641 9713 2 9772 9821 9861 9893 .9918 9938 9953 9965 9974 9981 3 9987 9990 9993 9995 9997 9998 9998 9999 9999 1.0000 MIT
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Use the following sample to estimate a population mean μμ. 46.6 32.3 36.1 39.6 34.8 47.9 44.7 20.5 17.8 53.1 63.7 40 37.1 54.9 53.5 40.9 34.6 63.3 12.8 42.4 39.9 57 1.5 43.2 68.2 33.8 16.2 25.8 45.8 32 27.2 45.2 8.3 52.9 29.8 22.4 40.5 23.2 58.3 42.1 47.9 38 Download CSV Find the 99% confidence interval about the population mean. Enter your answer as a tri-linear inequality accurate to two decimal place. < μμ <
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8.88. 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 MPGCity a) How many hatchbacks get 23 mpg in the city? Describe the distribution of the dotplot. b) What is/are the mpg rate(s) that occur most frequently? c) Which mpg rate is the middle rate (this measure of center is typically called the median)? What is the mean mpg? d) Take the data from the dotplot to create a boxplot, stem-and-leaf plot, and histogram. You must use software, such as StatCrunch or the Art of Stat to create your graphs.
A B C 7.98 5.09 9.18 14.22 9.45 17.9 14.88 9.92 18.83 10.35 6.75 12.5 16.52 11.07 21.13 23.46 15.92 30.84 14.02 9.31 17.63 14.55 9.68 18.37 8.65 5.56 10.11 18.49 12.44 23.89 9.94 6.46 11.92 21.16 14.31 27.62 12.41 8.19 15.38 18.1 12.17 23.34 11.45 7.51 14.03 20.54 13.87 26.75 17.2 11.54 22.09 14.35 9.55 18.09 15.41 10.29 19.58 13.08 8.65 16.31 13.14 8.7 16.4 18.47 12.43 23.85 21.47 14.53 28.06 17.13 11.49 21.98 14.93 9.95 18.9 9.89 6.43 11.85 13.63 9.04 17.08 9.75 6.32 11.65 15.74 10.52 20.04 27.14 18.5 36
Female: 15 14.85 15.2 14.25 13.85 13 13.6 13.7 14.05 12.7 14.05 13.65 13.25 13.25 13.55 12.95 13.55 13.05 11.85 13.2 11 13.8 12.25 12.1 12.1 11.6 11.9 12.05 10.75 11.2 10.55 11.1 10.45 9.6 13.85 14.25 14.8 14 14.5 13.75 13.55 12.55 13.2 13.7 13.35 13.25 12.95 13.4 13.35 13.3 12.3 13.55 12.8 12.4 13.1 12.3 12.6 12.65 11.9 10.2 12.05 11.7 10.4 10.75 9.8 9.6 10.75 9.75 9.55 9.05 14.65 14.2 15.35 14.6 14.3 14.75 13.65 13.7 14.25 13.8 14.1 13.6 14 14.25 13.2 14.4 13.25 13.7 13.15 13.05 13.45 12.4 13.3 12.75 12.2 12.6 11.55 11.6 11.6 10 10.9 10.35 11.75 11.3 10.3 10.9 Male: 13.55 13.75 13.5 14.25 13.35 13.85 13.5 13.1 12.8 12.35 13.25 10.6 12.6 13.35 13.5 13.55 12.9 11.8 13.05 13.4 12.05 11.05 11.8 11.8 11.9 12.35…
Here is the data 0.75 0.74 0.75 0.84 0.63 0.69 0.83 0.9 0.09 0.4 0.37 0.44 0.85 0.78 0.42 0.91 0.92 0.84 0.91 0.81 0.89 0.37 0.9 0.38 0.45 0.38 0.42 0.82 0.11 0.42 0.39 0.11 0.1 0.84 0.43 0.75 0.37 0.1 0.44 0.25 0.44 0.37 0.58 0.4 0.51 0.8 0.42 0.31 0.44 0.83 0.75 0.93 0.81 0.87 0.78 0.84 0.69 0.61

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Skinfold	Thigh	Midarm	Body Fat
19.5	43.1	29.1	11.9
24.7	49.8	28.2	22.8
30.7	51.9	37	18.7
29.8	54.3	31.1	20.1
19.1	42.2	30.9	12.9
25.6	53.9	23.7	21.7
31.4	58.5	27.6	27.1
27.9	52.1	30.6	25.4
22.1	49.9	23.2	21.3
25.5	53.5	24.8	19.3
31.1	56.6	30	25.4
30.4	56.7	28.3	27.2
18.7	46.5	23	11.7
19.7	44.2	28.6	17.8
14.6	42.7	21.3	12.8
29.5	54.4	30.1	23.9
27.7	55.3	25.7	22.6
30.2	58.6	24.6	25.4
22.7	48.2	27.1	14.8
25.2	51	27.5	21.1

a) Create and display a scatter chart (in Excel) for Body fat (Y axis) and skinfold (x-axis) b) Create and display a scatter chart (in Excel) for Body fat (Y axis) and thigh (x-axis) c) Create and display a scatter chart (in Excel) for Body fat (Y axis) and midarm (x-axis)