An Internet Service Provider (ISP) Has Randomly Selected a Sample

question 34

Multiple Choice

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 and sent an average of at least 7 emails per day from their ISP-provided email address, how many churned?

• A) 9
• B) 7
• C) 5
• D) 2
• E) 1

Identify the barriers to design thinking and how to overcome them.

Understand the criteria for a successful idea in design thinking (feasibility, viability, desirability).

Gain insights into how design thinking applies universally across different levels of experience.

Learn about observation techniques and their role in understanding user needs and behaviors.

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Definitions:

Left Hand

The non-dominant hand for the majority of people, controlled by the right hemisphere of the brain, often associated with tasks requiring spatial and nonverbal processes.

Percentage

A mathematical term expressing a number or ratio as a fraction of 100, used to compare proportions.

Aphasic

Pertaining to aphasia, a condition characterized by the loss of the ability to understand or express speech, caused by brain damage.

Apraxic

Refers to the impairment in the ability to perform movements or gestures, despite having the physical ability to do so, usually due to brain damage.