Solve the Problem. -Persons Taking a 30-Hour Review Course to Prepare for a Prepare

question 120

Multiple Choice

Solve the problem.
-Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 765. Find a linear function S(t) , which fits this data,
And which expresses score as a function of time.

• A)S(t)= 3.625t + 511.25
• B)S(t)= 3.2625t - 515.25
• C)S(t)= -3.625t + 511.25
• D)S(t)= 3.2625t + 515.25

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Definitions:

Kruskal-Wallis Test

A nonparametric statistical test used to determine if there are statistically significant differences between two or more groups of an independent variable.

Chi-Squared Distribution

A statistical distribution employed in hypothesis testing that is known for its utility in evaluating the goodness-of-fit between observed and expected data.

Sample Sizes

Refers to the number of observations or elements chosen from a population to form a sample for a statistical study.

Kruskal-Wallis Test

A non-parametric test used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.