The following Excel scatterplot with the fitted quadratic regression equation illustrates the observed relationship between productivity and the number of hired workers. 
For which value of Hires is the predicted Productivity maximized? Note: Do not round to the nearest integer.
Definitions:
Leader and Members
The dynamic relationship between the individual guiding or directing a group and those following within the group hierarchy.
Psychoanalytic
Relating to a theory and therapeutic method developed by Sigmund Freud that emphasizes unconscious mental processes and early childhood experiences in shaping behavior.
Cognitive-behavior Therapist
A mental health professional specializing in cognitive-behavioral therapy, which focuses on changing negative thoughts and behaviors to improve emotional regulation and develop personal coping strategies.
Intrapsychic Processes
Psychological activities and dynamics occurring within an individual's mind, affecting their behavior and emotions.
Q21: Consider the following table that provides the
Q31: An marketing analyst wants to examine the
Q38: Which of the following is a correct
Q68: A binary choice model can be used,for
Q68: The regression model ln(y)= β<sub>0</sub> + β<sub>1</sub>x
Q76: In the model y = β<sub>0</sub> +
Q78: A logistic model can be estimated with
Q82: Which of the following regression models does
Q90: For the Wilcoxon rank-sum test with the
Q99: A trading magazine wants to determine the