The Purpose of the ALU Is

question 45

Multiple Choice

The purpose of the ALU is:

• A) to store permanent data.
• B) to store temporary data.
• C) to cool the computer down and prevent overheating.
• D) to perform basic math and logical comparisons for the computer.

---

Definitions:

Critical Value

The threshold value that a test statistic must exceed in order to reject the null hypothesis in a statistical test.

Df

Short for degrees of freedom, it refers to the number of independent values in a calculation that are free to vary.

Mean Square

The average of the squares of the differences between the observed and expected values, used in various statistical methods, such as ANOVA.

Main Effect

In analysis of variance, the direct influence of an independent variable on a dependent variable, discounting interactions with other variables.