Use the Following to Answer Questions : in a Hypothesis

question 80

Short Answer

Use the following to answer questions : In a hypothesis test with hypotheses H₀ : μ=90 and H₁ : μ ≠ 90 , a random sample of 103 elements selected from the population produced a mean of 94.3. Assume that σ = 22.1, and that the test is to be made at the 5% significance level.
-Should you reject or fail to reject the null hypothesis in this test? (State your answer as "reject" or "fail to reject",but don't include the quotation marks.)

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Definitions:

Psychophysics

The scientific study of the relationship between the physical properties of stimuli and the sensations and perceptions they produce.

Signal Detection Research

A field of study that explores how decisions are made under conditions of uncertainty and the processes through which signals are distinguished from noise.

Sensation

The process by which sensory receptors and the nervous system receive and represent stimulus energies from the environment.

Light Bulb

A device that produces light from electricity, consisting of a filament housed in a glass vacuum or filled with inert gas, illuminating when electric current passes through.