Warm Up Test Review Marginal and Conditional Researchers

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Warm Up – Test Review Marginal and Conditional

Warm Up – Test Review Marginal and Conditional

Researchers looking at the relationship between the type of college attended (public or

Researchers looking at the relationship between the type of college attended (public or private) and achievement gather the following data on 3265 people who graduated from college in the same year. The variable “management level” describes their job description 20 years after graduating from college. a. Calculate the marginal distribution of management level in percents. b. Find the conditional distribution of management level for each college type, in percents. c. Sketch the data from part (b) in a segmented bar graph and in a side-by-side bar graph.

182 1756 1327 1769 1496 3265 a. Calculate the marginal distribution of management level

182 1756 1327 1769 1496 3265 a. Calculate the marginal distribution of management level in percents.

182 1756 1327 1769 1496 3265 b. Find the conditional distribution of management level

182 1756 1327 1769 1496 3265 b. Find the conditional distribution of management level for each college type, in percents. Public High Medium Low Private

Public Private High 4. 2 % 7. 2 % Medium 54. 4 % 53.

Public Private High 4. 2 % 7. 2 % Medium 54. 4 % 53. 1 % Low 41. 4 % 39. 8 % c. Sketch the data from part (b) in a segmented bar graph and in a side-by-side bar graph.

Public Private High 4. 2 % 7. 2 % Medium 54. 4 % 53.

Public Private High 4. 2 % 7. 2 % Medium 54. 4 % 53. 1 % Low 41. 4 % 39. 8 % c. Sketch the data from part (b) in a segmented bar graph and in a side-by-side bar graph. 60 High 40 Low Public Low Private 10 Low Medium Private 20 20 Public 40 30 Private Med Public % Med Private 80 60 50 Public 100 High

Below is a graph showing the total number of Oscar nominations for the four

Below is a graph showing the total number of Oscar nominations for the four films that had PG or PG-13 ratings. What’s wrong with the way the information is presented in this graph? Using similar figures to compare heights exaggerates the differences between frequencies since people (wrongly) tend to compare areas.

Graph the following: Class Freq. 20 -40 35 40 -60 27 60 -100 20

Graph the following: Class Freq. 20 -40 35 40 -60 27 60 -100 20 100 -200 10 200 – 800 28

Marginal People Marginal man or marginal man theoryMarginal People Marginal man or marginal man theory
Chapter 14 Marginal Jobs Marginal Jobs n MarginalChapter 14 Marginal Jobs Marginal Jobs n Marginal
MARGINAL ANALYSIS MARGINAL COST V MARGINAL BENEFIT TakeMARGINAL ANALYSIS MARGINAL COST V MARGINAL BENEFIT Take
Marginal Returns Increasing marginal returns occur when marginalMarginal Returns Increasing marginal returns occur when marginal
CONDITIONAL CLAUSES Conditional Sentences First Conditional Real ConditionalCONDITIONAL CLAUSES Conditional Sentences First Conditional Real Conditional
Marginal and Conditional distributions Theorem Marginal distributions forMarginal and Conditional distributions Theorem Marginal distributions for
Conditional Density Functions and Conditional Expected Values ConditionalConditional Density Functions and Conditional Expected Values Conditional