ibm data analyst capstone project coursera week 3 answers

Graded Quiz: Distribution

1. What is the median Age of survey respondents?

  • 31
  • 30
  • 28
  • 29

2. What is the median ConvertedComp of respondents who have identified themselves as ‘Woman’?

  • 56453
  • 57708
  • 54678
  • 55467

3. Based on the histogram, which age group has the highest number of survey respondents?

  • 32-40
  • 24-32
  • 40-48
  • 16-24

Graded Quiz: Handling Outliers

4. What is the median ConvertedComp before removing outliers?

  • 55342
  • 57745
  • 78675
  • 55768

5. What is the median ConvertedComp after removing outliers?

  • 56456
  • 53564
  • 55672
  • 52704

6. Based on the boxplot of ‘Age’ how many outliers do you see below Q1?

  • 3
  • 2
  • 0
  • 1

7. What is the mean ConvertedComp after removing outliers?

  • 10000
  • 34567.34
  • 59883
  • 2378.56

Graded Quiz: Correlation

8. Which column has a negative correlation with "Age"?

  • Respondent
  • CodeRevHrs
  • CompTotal
  • WorkWeekHrs

9. Which column has the highest correlation with "Age"?

  • Respondent
  • WorkWeekHrs
  • CompTotal
  • ConvertedComp

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