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Question

6. The Excel file Unions and Labor Law Data reports the percent of public and private-

sector employees in unions in 1982 for each state, along with indicators of whether the

states had a bargaining law that covered public employees or right-to-work laws.

a) Test the hypothesis that the mean percent of employees in unions for both the

public sector and private sector is the same for states having bargaining laws as

for those who do not.

b) Test the hypothesis that the mean percent of employees in unions for both the

public sector and private sector is the same for states having right-to-work laws as

for those who do not.