Corey Is Researching the Effect of Memory-Enhancing, Memory-Impairing, and Memory-Neutral $\Sigma X_{t o t}^{2}$

question 11

Essay

Corey is researching the effect of memory-enhancing, memory-impairing, and memory-neutral drugs on the ability of rats to run a maze.He has a total of 45 rats available for his study.He assigns an equal number of rats to each treatment condition.If he calculates his $\Sigma X_{t o t}^{2}$ = 60, $\left(\sum X_{t o t}\right)$ = 40, and $\sum\left(\frac{\left(\sum X \text { in column }\right)^{2}}{n \text { in column }}\right)$ = 45.
a.What is N?
b.What is n?
c.What is $S S_{tot}$ ?
d.What is $S S_{bn}$ ?
e.What is $S S_{wn}$ ?

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Definitions:

Trend Projection Forecasting

A statistical technique that uses historical data to predict future outcomes by identifying and analyzing past trends.

Extrapolation

The process of estimating, beyond the original observation range, the value of a variable on the basis of its relationship with another variable.

Predictive Analysis

The process of selecting, exploring, analyzing, and modeling data to create better business outcomes.

Business Outcomes

The results, achievement, or consequences that a company experiences as a direct or indirect effect of its strategy and actions.