Reference no: EM133977588

Question 1

An online gardening magazine wants to understand why its subscriber numbers have been increasing. A data analyst discovers that significantly more people subscribe when the magazine has its annual 50%-off sale. This is an example of what?

Analyzing the number of customers by calculating daily foot traffic

Analyzing social media engagement

Analyzing consumer preferences using artificial intelligence

Analyzing customer buying behaviors

Question 2

A restaurant has noticed that customers often wait longer in line than in previous years. How could a data analyst help solve this problem?

Analyze customer survey results about the preferred opening hours of the restaurant

Analyze the number of staff on shift at any time

Analyze the average sales amount per customer

Analyze the products customers are purchasing

Question 3

In data analytics, what is the term for an obstacle to be solved?

Solution

Issue

Problem

Question

Question 4

Fill in the blank: Once an analyst has identified a problem for a business, they establish a(n)_____ to help inform the process of gathering the correct information.

solution

statement

business task

issue

Question 5

A data analyst at a restaurant analyzes data about past sales and customer trends. They identify that the restaurant does not generate enough revenue to pay the staff whenever the restaurant is open before 4 p.m. The restaurant then adjusts their hours of operation to open at 4 p.m. What is this an example of?

Using intuition to create efficiencies

Data-driven decision-making

Following data ethics

Survey data gathering

Question 6

It's possible for conclusions drawn from data analysis to be both true and unfair.

True

False

Question 7

A data analyst is developing a model. They start by gathering data for groups that are underrepresented in a sample. What strategy could they employ to ensure these groups are represented fairly?

Exclude the underrepresented group from the sample

Oversample the underrepresented group

Sample the underrepresented group normally

Combine the underrepresented group with another group

Question 8

While working on an analysis, a data analyst learns that their team did not account for bias when they originally gathered the data. How might this factor affect the conclusion produced by the analysis?

The analysis could lead to a lack of anonymity.

The analysis could present an incomplete picture.

The analysis could result in a low sample size.

The analysis could create amodeling error.