Introduction and Descriptive Statistics for Exploring Data
Graded Quiz • 30 min Quiz11 Questions Week 1
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Introduction and Descriptive Statistics for Exploring Data

Graded Quiz • 30 min Quiz11 Questions Week 1

Q:

What is an appropriate way to visualize a list of the eye colors of 120 people? Select all that apply.

Q:

You want to investigate whether households in California tend to have a higher income than households in Massachussetts. Which summary measure would you use to compare the two states?

Q:

Suppose all household incomes in California increase by 5%. How does that change the mean household income?

Q:

Suppose all household incomes in California increase by 5%. How does that change the median household income?

Q:

Suppose all household incomes in California increase by 5%. How does that change the standard deviation of the household incomes?

Q:

Suppose all household incomes in California increase by 5%. How does that change the interquartile range of the household incomes?

Q:

Suppose all household incomes in California increase by $5,000. How does that change the mean household income?

Q:

Suppose all household incomes in California increase by $5,000. How does that change the median household income?

Q:

Suppose all household incomes in California increase by $5,000. How does that change the standard deviation of the household incomes?

Q:

Suppose all household incomes in California increase by $5,000. How does that change the interquartile range of the household incomes?

Q:

The median sales price for houses in a certain county during the last year was $342,000. What can we say about the percentage of sales represented by the houses that sold for more than $342,000?

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