STUDENT
Observe the Table STUDENT:
STUDENT This Table Will Be Used for the Following Questions Citing

question 46

Multiple Choice

STUDENT
Observe the table STUDENT:
STUDENT

$$\begin{array} { l c l l } \text { StudentID } & \text { SSN } & \text { Nane } & { \text { Class } } \\\hline D 111 & 111 - 11 - 1111 & \text { Connor } & \text { Freshman } \\D 222 & 222 - 22 - 2121 & \text { Trevor } & \text { Freshman } \\D 333 & 333 - 33 - 3333 & \text { Connor } & \text { Sophomore } \\D 444 & 444 - 44-4444 & \text { Parker } & \text { Sophomore } \\D 555 & 555 - 55 - 5555 & \text { Connor } & \text { Sophomore }\end{array}$$

This table will be used for the following questions citing table STUDENT.
-Which of the following queries on table STUDENT will return three values as a result?

• A)SELECT name FROM student WHERE class != 'Sophomore';
• B)SELECT name FROM student;
• C)SELECT DISTINCT name FROM student;
• D)SELECT class FROM student;

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Definitions:

Type I Errors

Incorrectly disapproving a correct null hypothesis, famously labeled as a "false positive."

Cohen's D

A statistical measure used to assess the effect size or magnitude of the difference between two group means.

Effect

The impact or change that results from some action or intervention, often measured in experiments to understand causality.

Cohen's D

A measure of effect size indicating the difference between two means expressed in standard deviation units.