(Exercises 19–26) For each description of data, identify Who and What were investigated and the Population of interest. 22. Investments Some companies offer 401(k) retirement plans to employees, permitting them to shift part of their before-tax salaries into investments such as mutual funds. Employers typically match 50% of the employees’ contribution up to about 6% of salary. One company, concerned with what it believed was a low employee participation rate in its 401(k) plan, sampled 30 other companies with similar plans and asked for their 401(k) participation rates.
(Exercises 19–26) For each description of data, identify Who and What were investigated and the Population of interest. 22. Investments Some companies offer 401(k) retirement plans to employees, permitting them to shift part of their before-tax salaries into investments such as mutual funds. Employers typically match 50% of the employees’ contribution up to about 6% of salary. One company, concerned with what it believed was a low employee participation rate in its 401(k) plan, sampled 30 other companies with similar plans and asked for their 401(k) participation rates.
Solution Summary: The author identifies the Who and What investigated and the Population of interest. The Who in the investigation is 30 companies with similar 401 (k) retirement plans.
(Exercises 19–26)For each description of data, identify Who and What were investigated and the Population of interest.
22. Investments Some companies offer 401(k) retirement plans to employees, permitting them to shift part of their before-tax salaries into investments such as mutual funds. Employers typically match 50% of the employees’ contribution up to about 6% of salary. One company, concerned with what it believed was a low employee participation rate in its 401(k) plan, sampled 30 other companies with similar plans and asked for their 401(k) participation rates.
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