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An internet service provider (ISP) has randomly selected a sample of 223 observations concerning values of the response variable Churn and several predictor variables based on customer activity during the most recently billed month. Here Churn equals Yes if a customer churned-left the internet service provider for another ISP-and equals No otherwise. The predictor variable MinutesOn is the average daily minutes the customer spent online. EmailSent is the average daily number of emails the customer sent from the email address provided by the ISP. ServCalls is the number of times the customer called for service. Below is part of the classification tree they derived from the data collected in the study. Of the sampled customers who spent an average of at least 511 minutes online per day, how many sent an average of at least 7 emails per day from their ISP-provided email address?
Group Development
The stages and processes through which a group evolves and matures in its functioning and cohesiveness over time.
Mission
A statement or assignment that outlines the purpose or goal of an organization, project, or individual, providing direction and motivation.
Bruce Tuckman
A psychologist known for his theory of group development, which outlines the stages of forming, storming, norming, performing, and adjourning in team dynamics.
Forming Stage
The initial phase of team development where members meet and start to form relationships and understand their tasks.
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