The Average Score of a Sample of 30 Students on Their

question 61

Essay

The average score of a sample of 30 students on their second statistics examination was 85 with a standard deviation of 11.Is the variance of the population significantly more than 80? Use a .05 level of significance.

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Definitions:

Seven Hours

A specific time duration equivalent to 420 minutes or 25,200 seconds.

Ten Hours

A period of time equating to 600 minutes or 36,000 seconds, often referenced in relation to scheduling or duration.

Aerobic Exercise

Any form of physical exercise that relies on the oxygen process, typically involving moderate intensity activities sustained over long periods.

External Locus

The belief that one's outcomes in life are determined by external forces or events, rather than by one's own efforts.