A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$

question 93

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 in a two-tailed test is +1.96.The observed z value from sample data is -1.85.The decision made by the researcher based on this information is to _____ the null hypothesis.

• A)reject
• B)fail to reject
• C)redefine
• D)change the alternate hypothesis
• E)restate

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Atomic Components

The basic parts that make up an atom, including protons, neutrons, and electrons.

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the use of symbols and signs in a structured manner to represent information, commonly found in mathematics, science, and technology.

Atomic Components

basic units or elements that make up a larger system, often referring to the individual parts of a molecule in chemistry.

Symbolic Notation

The use of symbols to represent ideas, quantities, propositions, or operations, especially in mathematics and logic.