A Random Sample of 64 SAT Scores of Students Applying

question 32

Multiple Choice

A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240. If we want to provide a 95% confidence interval for the population mean SAT score, the degrees of freedom for reading the t value is

• A) 60.
• B) 61.
• C) 62.
• D) 63.

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Definitions:

Daphne Major

An island in the Galápagos Archipelago known for long-term studies of finch populations, which have provided profound insights into the process of natural selection.

Natural Selection

An evolutionary process in which species that are more suited to their environment are more likely to survive and have a greater number of descendants.

Pristine Environment

An ecosystem or area that is untouched or minimally impacted by human activities, often considered in a natural or original state.

Genetic Distance

A measure of the genetic divergence between species or between populations within a species; a reflection of the amount of genetic change (evolution) that has occurred.