
JoVAC Data Science Assesment - 1

Quiz
•
Computers
•
University
•
Hard
rahul pradhan
Used 36+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What is an appropriate way to visualize a list of the eye colors of 120 people? Select all that apply.
box plot
pie chart
dot plot
scatter plot
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You want to investigate whether households in California tend to have a higher income than households in Massachusetts. Which summary measure would you use to compare the two states?
mean household income
3rd quartile of household income
median household income
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose all household incomes in California increase by 5%. How does that change the mean household income?
the mean household income doesn't change
cannot be determined from the information given
the mean household income goes up by 5%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose all household incomes in California increase by 5%. How does that change the median household income?
cannot be determined from the information given
median household income goes up by 5%
the median household income doesn't change
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose all household incomes in California increase by 5%. How does that change the standard deviation of the household incomes?
the standard deviation of the household incomes goes up by 5%
cannot be determined from the information given
the standard deviation of the household incomes doesn't change
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose all household incomes in California increase by 5%. How does that change the interquartile range of the household incomes?
the interquartile range of the household incomes doesn't change
the interquartile range of the household incomes goes up by 5%
cannot be determined from the information given
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose all household incomes in California increase by $5,000. How does that change the mean household income?
cannot be determined from the information given
the mean household income goes up by $5,000
the mean household income doesn't change
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