6. Cross tabulations Problem:The following crosstabulation shows household income by educational level of the head ofhousehold(Statistical Abstract of the United States: 2008)Household Income ($1000s)Under2525.0-49.950.0–74.9100 or75.0-99.9Educational LevelmoreTotalNot H.S. graduateH.S. graduateSome collegeBachelor's degreeBeyond bach. deg.4,2074,9172,8078853,4596,8505,2582,0948291,3895,0274,6782,8481,2745393672,6373,2502,5811,2412,6684,0745,3794,1889,96122,09920,06713,7877,822290Total13,10618,49015,21610,24816,67673,736a. Compute the row percentages for high school graduate and bachelor's degree (seeexamples in table below)b. What percentage of households headed by high school graduates earn $75, 000 ormore?c. What percentage of households headed by bachelor degree recipients earn less than$50,000 (49,900 or less)?

The cross tabulation of household income by education level is given. Need to compute the…

6. Cross tabulations Problem: The following crosstabulation shows household income by educational level of the head of household (Statistical Abstract of the United States: 2008) Household Income ($1000s) Under 25 25.0- 49.9 50.0- 74.9 75.0- 99.9 100 or Educational Level more Total Not H.S. graduate H.S. graduate Some college 1,389 5,027 4,678 2 848 4,207 3,459 6,850 5,258 2 094 539 2,637 3,250 2 581 367 2,668 4,074 5 379 9,961 22,099 20,067 13 787 4.917 2,807 885 Bachelor's deoree

6. Cross tabulations Problem: The following crosstabulation shows household income by educational level of the head of household (Statistical Abstract of the United States: 2008) Household Income ($1000s) Under 25 25.0- 49.9 50.0- 74.9 75.0- 99.9 100 or Educational Level more Total Not H.S. graduate H.S. graduate Some college 1,389 5,027 4,678 2 848 4,207 3,459 6,850 5,258 2 094 539 2,637 3,250 2 581 367 2,668 4,074 5 379 9,961 22,099 20,067 13 787 4.917 2,807 885 Bachelor's deoree

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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Concept explainers

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.

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100%

6. Cross tabulations Problem:
The following crosstabulation shows household income by educational level of the head of
household
(Statistical Abstract of the United States: 2008)
Household Income ($1000s)
Under
25
25.0-
49.9
50.0–
74.9
100 or
75.0-
99.9
Educational Level
more
Total
Not H.S. graduate
H.S. graduate
Some college
Bachelor's degree
Beyond bach. deg.
4,207
4,917
2,807
885
3,459
6,850
5,258
2,094
829
1,389
5,027
4,678
2,848
1,274
539
367
2,637
3,250
2,581
1,241
2,668
4,074
5,379
4,188
9,961
22,099
20,067
13,787
7,822
290
Total
13,106
18,490
15,216
10,248
16,676
73,736
a. Compute the row percentages for high school graduate and bachelor's degree (see
examples in table below)
b. What percentage of households headed by high school graduates earn $75, 000 or
more?
c. What percentage of households headed by bachelor degree recipients earn less than
$50,000 (49,900 or less)?

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