Below are the income per capita of a sample of different households.Per Capita Income21,50037,32525,04918,99824,12223,61525,77125,92221,55124,44721,70825,02823,15225,10621,38520,24725,23921,09620,39326,21023,00224,78621,05624,21727,57921,08030,02327,36024,77527,48928,82128,97632,90229,21926,88928,06637,70024,30225,97933,95326,92419,37329,93224,00727,66720,00821,38725,184Determine each of the following measures for the sample of income by using the appropriate Excel function.Place your answers in the highlighted cells.(a) mean(b) median(c) variance(d) standard deviation

The data related to the per capita income of different households are given.

Answered: Below are the income per capita of a…

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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2. The following are the grade point averages of 30 students recently admitted to the graduate program in the Department of Industrial Engineering and Operations Research at the University of California at Berkeley. 3.46, 3.72, 3.95, 3.55, 3.62, 3.80, 3.86, 3.71, 3.56, 3.49, 3.96, 3.90, 3.70, 3.61. 3.72, 3.65, 3.48, 3.87, 3.82, 3.91, 3.69, 3.67, 3.72, 3.66, 3.79, 3.75, 3.93, 3.74, 3.50, 3.83 (b) Calculate the sample mean x".
The following pollution levels were found in water samples:1.4,1.7,1.8,1.9,2.2,2.2,2.3,2.4,2.6,2.6,2.7,2.8,2.9,3. 0,3.0,3.0,3.1,3.2,3.3,3.4,3.4,3.5,3.6,3.7,3.8 prepare an ordered stem and leaf plot for the data. Briefly describe the distribution of the data.
The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. Complete parts (a) through (c) below. 3.86 2.80 2.71 2.95 3.08 1.802.60 3.32 2.52 2.12 2.58 2.682.76 2.85 3.67 3.84 3.43 2.122.94 2.83 3.04 2.43 2.18 3.693.21 3.67 2.39 2.61 3.42 3.45 a) Compute the sample mean and sample standarddeviation.(b) Construct a relative frequency histogram of thedata.(c) Construct a stem-and-leaf display of the data.
The following data represents the percentage of people without health insurance for a sample of the 50 states including DC. (Source: Gallup) 8.6 10.6 13.0 15.5 18.1 19.4 22.2 9.2 10.9 13.3 15.9 18.3 18.6 21.2 10.5 19.6 25.0 9.6 10.9 13.4 15.9 18.3 19.7 9.6 11.3 13.9 16.1 12.3 14.7 16.2 18.4 20.6 9.7 11.4 14.0 16.1 18.4 21.1 10.2 11.6 14.3 16.1 18.7 21.3 Construct a frequency histogram of the data using the method learned in class. What is the shape? The following data represents the percentage of people without health insurance for a sample of the 50 states including DC. (Source: Gallup) 8.6 10.6 13.0 15.5 18.1 19.4 22.2 9.2 10.9 13.3 15.9 18.3 18.6 21.2 10.5 19.6 25.0 9.6 10.9 13.4 15.9 18.3 19.7 9.6 11.3 13.9 16.1 12.3 14.7 16.2 18.4 20.6 9.7 11.4 14.0 16.1 18.4 21.1 10.2 11.6…
The table below contains data about the cost of electricity during a recent month for a random sample of 30 one-bedroom apartments in a large city. Complete parts (a) through (c) below. 97 161 141 94 109 174 184 148 162 124 206 88 208 153 184 179 119 174 152 153 146 174 124 133 112 104 112 129 142 135 Construct a cumulative percentage distribution. Cost($). Percentage less than indicated amount 80. __% 100 __% 120 __% 140 __% 160 __% 180 __% 200 __% 220 __%
A sample of rental cars showed the following annual mileage (in thousands of miles) 46.768 34.813 69.194 36.927 57.666 36.003 42.961 37.194 47.750 41.738 44.239 34.052 31.731 54.661 30.928 47.847 31.286 38.813 40.166 32.905 42.057 49.834 47.556 37.729 22.120 40.822 41.104 62.399 32.550 43.558 8 The sum of x is, a 1147.569 b 1183.061 c 1219.650 d 1257.371
The data below contains mileage, age, and selling price for a sample of 33 sedans. Price Mileage Age 16,998 35,000 3 17,599 16,000 3 15,998 42,000 3 15,998 62,000 4 11,599 102,000 7 12,998 109,000 4 14,998 60,000 5 11,599 88,000 9 12,599 58,000 8 14,998 27,000 6 15,998 32,000 3 Price Mileage Age 11,599 95,000 8 9,499 123,000 8 14,599 54,000 5 10,599 68,000 10 16,998 40,000 4 20,998 7,000 0 11,599 80,000 9 12,599 70,000 6 13,599 86,000 5 11,599 92,000 7 9,599 120,000 10 Price Mileage Age 18,998 20,000 2 12,599 63,000 7 12,599 70,000 6 10,998 88,000 10 11,998 86,000 6 13,998 60,000 6 17,599 45,000 2 9,998 95,000 11 9,998 60,000 11 16,998 36,000 2 17,599 45,000 2 #1) Is multicollinearity an issue for this model? Find the correlation between the independent variables to answer this question.(Round your answer to two decimal places.) The correlation between age and mileage is: ____________ #2) Find…

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