t-test Sample Clauses

t-test. Table 4.10.
Sample 1
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t-test on Share of People of Color Apprentices for PLA and Non-PLA Projects, 2020-2022 Share of People of Color Apprentices: Project-Level for Those with Apprenticeship Goals Active Projects in 2020, 2021, and 2022 Number Average Standard Error PLA Projects 20 37.2% 4.3% Non-PLA Projects 35 34.9% 5.1% PLA Difference -- +2.3% 7.5% t-statistic +0.31 Statistically Significant? NO Source(s): Analysis of public project data from Port of Seattle’s Apprenticeship and Priority Hire 2022 Annual Report, Apprenticeship and Priority Hire 2021 Annual Report and Apprenticeship and Priority Hire 2020 Annual Report (Port of Seattle, 2023b; Port of Seattle, 2022; Port of Seattle, 2021). Analysis is limited to only projects that include apprenticeship utilization goals, which are all valued at $1 million or more. *The result is not statistically significant. Figure 10: T-Test on Share of Projects Meeting People of Color Apprentice Goals, 2020-2022 Share of Projects Meeting People of Color Apprentice Goal: Project-Level for Those with Apprenticeship Goals Active Projects in 2020, 2021, and 2022 Number Average Standard Error PLA Projects 20 85.0% 8.2% Non-PLA Projects 35 68.6% 8.0% PLA Difference -- +16.4% 12.2% t-statistic +1.34 Statistically Significant? NO Source(s): Analysis of public project data from Port of Seattle’s Apprenticeship and Priority Hire 2022 Annual Report, Apprenticeship and Priority Hire 2021 Annual Report and Apprenticeship and Priority Hire 2020 Annual Report (Port of Seattle, 2023b; Port of Seattle, 2022; Port of Seattle, 2021). Analysis is limited to only projects that include apprenticeship utilization goals, which are all valued at $1 million or more. *The result is not statistically significant. Port of Seattle data offers a direct case study on the potential impact of project labor agreements on expanding apprenticeships and the diversity of the construction workforce supply pool. The Port of Seattle data from 55 public works projects valued at $1 million or greater reveals that PLA projects have higher levels of apprenticeship utilization and are more likely to meet aspirational goals for hiring women apprentices. Evidence also suggests that PLA projects employ higher shares of apprentices who are people of color. Discussion: Prevailing Wages and Unions in Construction There are two labor market factors that must be discussed in the context of the Port of Seattle data. The first is that all projects in the sample were covered by the Washington State Pre...
Sample 1

Related to t-test

  • Health Tests At the time of employment, the Employer shall provide a Tuberculin skin test at no cost to the nurse. In the event of a positive reaction to this test, the Employer will provide a chest x-ray at no cost. Upon request, a routine blood examination and urinalysis will be provided at no cost to the nurse once each year.

  • Random Testing Notwithstanding any provisions of the Collective Agreement or any special agreements appended thereto, section 4.6 of the Canadian Model will not be applied by agreement. If applied to a worker dispatched by the Union, it will be applied or deemed to be applied unilaterally by the Employer. The Union retains the right to grieve the legality of any imposition of random testing in accordance with the Grievance Procedure set out in this Collective Agreement.

  • Repair Testing At the time of repair of a LIS trunk group, at no additional charge, tests will be performed to ensure that the service is operational and meets the applicable technical parameters.

  • Test The outer surface of the lamp lenses shall be subjected once or more than once to the action of the sand jet produced as described above. The jet shall be sprayed almost perpendicular to the surface to be tested. The deterioration shall be checked by means of one or more samples of glass placed as a reference near the lenses to be tested. The mixture shall be sprayed until the variation in the diffusion of light on the sample or samples measured by the method described in Appendix 2, is such that: Δ d = (T5 - T4) / T2 ≤ 0.0250 ± 0.0025 Several reference samples may be used to check that the whole surface to be tested has deteriorated homogeneously. Annex 6 - Appendix 4

  • Drug Testing (A) The state and the PBA agree to drug testing of employees in accordance with section 112.0455, F.S., the Drug-Free Workplace Act.

  • Follow-up Testing An employee shall submit to unscheduled follow-up drug and/or alcohol testing if, within the previous 24-month period, the employee voluntarily disclosed drug or alcohol problems, entered into or completed a rehabilitation program for drug or alcohol abuse, failed or refused a preappointment drug test, or was disciplined for violating the provisions of this Agreement and Employer work rules. The Employer may require an employee who is subject to follow-up testing to submit to no more than six unscheduled drug or alcohol tests within any 12 month period.

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