2) The result of a survey that collected the current credit card balances for 36undergraduate college student are shown in the fallowing table.$2467 $3373 $434 $1426 $4628 $167 $5927 $4064 $4503 $2600 $3673 $4231$1788 $5805 $5395 $733 $4890 $1455 $5817 $1145 $846 $739 $4370 $986$5729 $1159 $1021 $1563 $967 $499 $353 $2297 $289 $375 $162 $1740a) Using 2 >= n rule, construct a frequency distribution for these data.b) Using the result from part a, calculate the relative frequencies for each class.c) Using the results from part a, calculate cumulative frequencies for each class.d) Construct a histogram for these data.

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Answered: 2) The result of a survey that…

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 survey of enrollment at 35 community colleges across the United States yielded the following figures†. 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357; 27000; 9414; 7681; 3200; 17500; 9200; 7380; 18314; 6557; 13713; 17768; 7493; 2771; 2861; 1263; 7285; 28165; 5080; 11622 A school with an enrollment of 22,900 would be how many standard deviations away from the mean? (Round your answer to two decimal places.)
20171.18 46831.5 21789.85 4828.121 14684.72 -12813.6 24519.65 73135.66 29135.23 42180.99 2261.035 52749.12 41403.37 26760.47 32546.79 17728.36 -2407.25 39998.17 9780.605 45741.21 37178.78 33696.61 43259.29 26814.31 31291.52 37175.38 50136.51 55886.29 8696.373 30507.27 69778.96 52346.39 -13641.8 24661.96 9746.476 50024.07 78575.84 26692.57 38463.91 30145.11 40459.87 10816.03 14662.31 44380.93 34686.81 30315.94 18222.65 39422.52 43345.67 -2355.16 49109.01 21361.93 32708.77 50170.42 11337.63 36858.01 19704.15 34739.6 10822.38 -1332.56 70582.65 45813.68 27238.56 36232.78 29583.19 51432.22 70353.96 49991.42 37953.37 24107.22 19944.66 22744.9 31955.78 53442.8 36301.04 Spreadsheet 2
It’s all in one question
The following table gives the U.S. national debt for selected years from 1900 to 2013. U.S. Debt ($ billions) 3233 5225 Year 1900 1910 1920 1930 1940 1945 1955 1965 1975 1965 U.S. Debt ($ billions) 1 1 24 16 43 259 273 314 533 1823 Year 1990 1996 2000 2005 2009 2010 2011 2012 2013 5674 7933 11,957 13,529 15,476 16,067 16,856 (a) Using a function of the form ya b^x, with x=0 in 1900 and y equal to the national debt in billions, model the data. (Round your coefficients to four decimal places.) y= (b) Use the model to predict the debt in 2023. (Round your answer to the nearest billion.) $ billion (c) Predict the year in which the debt will be $71 trillion ($71,000 billion).

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