3. Question 3 [Continued from the previous question] Suppose it is your job to monitor the water quality at the local beach and to determine whether it contains high levels…
4. Question 4 Using plots in exploratory data analysis can be useful because 1 point they can take less time to make than extensive tables. the plots can…
2. Question 2 A data analyst who works for you is looking at data from 100 individuals on exposure to a potentially harmful substance and the levels of a blood…
5. Question 5 Suppose you are interested in looking at the relationship between season and sales of a product that your company sells. You expect that sales are highest in…
1. Question 1 A goal of exploratory data analysis is to 1 point Develop formal statistical models Determine if the data you have are appropriate for answering your…
4. Question 4 What is the primary goal of an inferential question? 1 point To summarize a characteristic of a dataset. To look for patterns, trends, or relationships…
2. Question 2 Mistaking an exploratory question for an inferential question is commonly referred to as 1 point Hypothesis testing Data dredging Predictive modeling…
8. Question 8 Which is a benefit of asking a sharp question? 1 point Sharp questions can lead to well-defined interventions or change of behavior Sharp questions generally…
5. Question 5 Suppose you run a web site and the web server that hosts the site keeps track of every visitor that comes to the site and which country…
3. Question 3 When asking a predictive question, we are primarily NOT concerned with 1 point obtaining a low prediction error rate. maximizing correlation between the outcome and…
