A Two-Tailed Test of Hypothesis Was Conducted and 60 Values

question 98

Multiple Choice

A two-tailed test of hypothesis was conducted and 60 values were above the median. The computed z = 1.90. At the 0.05 level, what is the decision regarding the null hypothesis?

• A) Reject the null hypothesis with a 0.05 Type I error rate.
• B) Fail to reject the null hypothesis.
• C) Reject the null hypothesis with a 0.025 Type I error rate.
• D) None of these.

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Definitions:

Controlled Experiments

Experimental setups in which researchers manipulate one variable while holding all other variables constant to study cause and effect relationships.

Inputs And Outputs

Refers to the materials, energy, or information that enters a system (inputs) and the results or products that come out of it (outputs).

Scientific Laws

Statements based on repeated experiments or observations that describe or predict a range of natural phenomena.

Environmental Arena

The physical, biological, and socio-economic context in which environmental processes and issues occur.