Managing Data Analysis | Online Course Support

You are conducting an associational analysis and attempting to estimate the association between soda consumption in the U.S. and body mass index (BMI). A scatterplot of the data from 100 individuals is shown below.

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3. Question 3 You are conducting an associational analysis and attempting to estimate the association between soda consumption in the U.S. and body mass index (BMI). A scatterplot of the…

Managing Data Analysis | Online Course Support

You and your team are tasked with helping to determine whether an incremental new feature should be added to an existing product. The question is whether the adding the new feature will increase the number of units sold of the product. The data you have available are from other products the company sells that include this same feature.

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4. Question 4 You and your team are tasked with helping to determine whether an incremental new feature should be added to an existing product. The question is whether the…

Managing Data Analysis | Online Course Support

You and your team are interested in predicting home prices in a city based on a variety of features of the house (e.g. square footage, acreage, number of bedrooms, etc.). One of your analyst suggests this may be difficult because we don’t understand very well the causal relationship between house features and the price of the house. He asks whether the team should proceed with the analysis.

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3. Question 3 You and your team are interested in predicting home prices in a city based on a variety of features of the house (e.g. square footage, acreage, number…

Managing Data Analysis | Online Course Support

You and your team are tasked with helping to determine whether an incremental new feature should be added to an existing product. The question is whether the adding the new feature will increase the number of units sold of the product. The data you have available are from other products the company sells that include this same feature.

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5. Question 5 You and your team are tasked with helping to determine whether an incremental new feature should be added to an existing product. The question is whether the…

Managing Data Analysis | Online Course Support

Your team is interested in studying the relationship between the price of a house in a city and the number of square feet in the house. To do this, you manage to obtain a representative sample of data from 200 homes in the city and fit a linear regression model with home price as the outcome and square footage as the key predictor.

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2. Question 2 Your team is interested in studying the relationship between the price of a house in a city and the number of square feet in the house. To…

Managing Data Analysis | Online Course Support

Suppose you are conducting an inferential analysis and are using a formal model to specify your approach. What are the parameters in a formal model?

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1. Question 1 Suppose you are conducting an inferential analysis and are using a formal model to specify your approach. What are the parameters in a formal model? 1 / 1 point  …

Managing Data Analysis | Online Course Support

A Dean at a local university is concerned that male and female faculty in her school are not being paid equally for holding the same rank of professor. She assembles a dataset of the salaries for all of the faculty in her school and asks you to analyze the data to see if there is a difference in salaries that can be explained by gender after controlling for various differences between faculty.

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5. Question 5 A Dean at a local university is concerned that male and female faculty in her school are not being paid equally for holding the same rank of…

Managing Data Analysis | Online Course Support

Suppose it is your job to monitor the water quality at the local beach and to determine whether it contains high levels of certain bacteria. If there were high levels of bacteria the water may not be safe to swim in. However, the beach is very large and it is not possible to monitor the entire swimmable area of the beach.

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2. Question 2 [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…

Managing Data Analysis | Online Course Support

Suppose it is your job to monitor the water quality at the local beach and to determine whether it contains high levels of certain bacteria. If there were high levels of bacteria the water may not be safe to swim in. However, the beach is very large and it is not possible to monitor the entire swimmable area of the beach.

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1. Question 1 Suppose it is your job to monitor the water quality at the local beach and to determine whether it contains high levels of certain bacteria. If there…

Managing Data Analysis | Online Course Support

A Dean at a local university is concerned that male and female faculty in her school are not being paid equally for holding the same rank of professor. She assembles a dataset of the salaries for all of the faculty in her school and asks you to analyze the data to see if there is a difference in salaries that can be explained by gender after controlling for various differences between faculty.

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4. Question 4 A Dean at a local university is concerned that male and female faculty in her school are not being paid equally for holding the same rank of…