Use the survey results in the table below to analyze differences in employee job satisfaction among organizations in the United States with different management styles.

	Very Satisfied	Satisfied	Somewhat Satisfied	Not Satisfied
Exploitative Authoritarian	27	82	43	48
Benevolent
Authoritarian	50	19	56	75
Laissez Faire	52	88	26	34
Consultative	71	83	20	26
Participative	101	59	20	20

e) Analyze the meaning of the results and state a conclusion.

Use the survey results in the table below to analyze differences in employee job satisfaction among organizations in the United States with different management styles.

a) Choose the appropriate procedure.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). Consider only the companies that have outsourced their IT and HR business segments. Do these data suggest significant differences between companies in the financial and industrial goods sectors with regard to their outsourcing decisions?

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). Consider only the companies that have outsourced their IT and HR business segments. Do these data suggest significant differences between companies in the financial and industrial goods sectors with regard to their outsourcing decisions?

d) Test an appropriate hypothesis and state your results.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). Consider only the companies that have outsourced their IT and HR business segments. Do these data suggest significant differences between companies in the financial and industrial goods sectors with regard to their outsourcing decisions?

c) State the hypotheses.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). Consider only the companies that have outsourced their IT and HR business segments. Do these data suggest significant differences between companies in the financial and industrial goods sectors with regard to their outsourcing decisions?

b) Check the assumptions.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). Consider only the companies that have outsourced their IT and HR business segments. Do these data suggest significant differences between companies in the financial and industrial goods sectors with regard to their outsourcing decisions?

a) Select the appropriate procedure.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). The data below display the types of outsourcing decisions made (no outsourcing, IT only, HR only, both IT and $\mathrm{HR}$ ) by a sample of companies from various industry sectors.

Do these data highlight important differences in outsourcing by industry sector?

e) Analyze the meaning of the results and state a conclusion.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). The data below display the types of outsourcing decisions made (no outsourcing, IT only, HR only, both IT and $\mathrm{HR}$ ) by a sample of companies from various industry sectors.

Do these data highlight important differences in outsourcing by industry sector?

d) Test an appropriate hypothesis and state your results.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). The data below display the types of outsourcing decisions made (no outsourcing, IT only, HR only, both IT and $\mathrm{HR}$ ) by a sample of companies from various industry sectors.

Do these data highlight important differences in outsourcing by industry sector?

c) State the hypotheses.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). The data below display the types of outsourcing decisions made (no outsourcing, IT only, HR only, both IT and $\mathrm{HR}$ ) by a sample of companies from various industry sectors.

Do these data highlight important differences in outsourcing by industry sector?

b) Check the assumptions.

Industry sector and outsourcing. Many companies have selected to outsource segments of their business to external providers in order to cut costs and improve quality and/or efficiencies. Common business segments that are outsourced include Information Technology (IT) and Human Resources (HR). The data below display the types of outsourcing decisions made (no outsourcing, IT only, HR only, both IT and $\mathrm{HR}$ ) by a sample of companies from various industry sectors.

Do these data highlight important differences in outsourcing by industry sector?

a) Select the appropriate procedure.

Newspaper headlines at the time and traditional wisdom in the succeeding decades have held that women and children escaped the Titanic in greater proportion than men. Here's a table with the relevant data. Find a $95 \%$ confidence interval for the difference in the proportion of women who survived and the proportion of men who survived for the data .

Racial steering. A subtle form of racial discrimination in housing is "racial steering." Racial steering occurs when real estate agents show prospective buyers only homes in neighborhoods already dominated by that family's race. This violates the Fair Housing Act of 1968. Tenants at a large apartment complex filed a lawsuit alleging racial steering. The complex is divided into two parts: Section A and Section B. The plaintiffs claimed that white potential renters were steered to Section A, while African-Americans were steered to Section B. The following table displays the data that were presented in court to show the locations of recently rented apartments. Find a $95 \%$ confidence interval for the difference in the proportions of Black renters in the two sections for the data.