Use the Following to Answer Questions
This Table and Figure

question 11

Multiple Choice

Use the following to answer questions
This table and figure depict the average SAT scores for entering freshmen in the year 1995 at 36 North Carolina colleges.
$$\begin{array}{l}\text { Table: North Carolina SAT }\\\begin{array} { r r r r } 825 & 922 & 870 & 1121 \\990 & 1230 & 1302 & 926 \\1054 & 845 & 826 & 956 \\840 & 923 & 818 & 867 \\600 & 1030 & 831 & 935 \\890 & 879 & 1005 & 842 \\780 & 757 & 1002 & 774 \\915 & 921 & 1071 & 921 \\915 & 848 & 915 & 813\end{array}\end{array}$$
Figure: Histogram of SAT
-(Figure: Histogram of SAT) What seems to be the shape of the distribution represented in this histogram?

• A) symmetrical
• B) positively skewed
• C) rectangle
• D) negatively skewed

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Definitions:

SST

In the context of statistical analysis, often stands for Sum of Squares Total, which measures the total variation within a data set.

Determination

In statistics, determination often refers to the coefficient of determination, which measures the proportion of variance in a dependent variable predictable from an independent variable.

Estimated Regression

A statistical method used to predict the value of a dependent variable based on the values of one or more independent variables.

SSR

Sum of Squares due to Regression, a measure in statistics used to quantify the variance explained by a regression model.