Find the Standardized Test Statistic T for a Sample With \mathrm

question 138

Multiple Choice

Find the standardized test statistic t for a sample with $$\mathrm { n } = 25 , \overline { \mathrm { x } } = 14 , \mathrm {~s} = 3 \text {, and } \alpha = 0.005 \text { if } \mathrm { H } _ { 1 } : \mu > 13 \text {. Round }$$ your answer to three decimal places.

• A) 1.667
• B) 1.997
• C) 1.452
• D) 1.239

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Definitions:

Single-blind Study

A study design where the participants do not know which group (experimental or control) they are in to prevent bias, but the researchers do.

Descriptive Research

A research method aimed at describing characteristics of a population or phenomenon being studied without influencing those characteristics.

Representative Sample

A smaller group taken from a larger population that truly represents all members of that population.

Scientific American

A popular science magazine that features articles on various scientific topics for a general audience.