Solve the Problem $\mathrm { n } = 16 , \overline { \mathrm { x } } = 84.5$

question 25

Essay

Solve the problem.
-Test the claim that for the population of history exams, the mean score is 80 . Sample data are summarized as $\mathrm { n } = 16 , \overline { \mathrm { x } } = 84.5$ , and $\mathrm { s } = 11.2$ . Use a significance level of $\alpha = 0.01$ .

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Definitions:

Lipid

A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, and other components essential for cell structure and function.

Fingerprints

Unique patterns formed by ridges on the tips of fingers, used for personal identification.

Court Case

A legal dispute brought before a court of law where a plaintiff seeks a legal remedy, and the outcome is decided by a judge or jury.

Lipids

A broad group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, and others, characterized by their solubility in nonpolar solvents.