Statistics for Data Science with Python Coursera Quiz Answers

All Quiz Answers For Week 2

Quiz >>Introduction and Descriptive Statistics

Q1. Which of the following is an example of time series data?

​

1. Annual average housing price in New York
2. Batting average of a baseball player
3. Number of trees in Jardin du Luxemburg in Paris
4. Number of dolphins in the Pacific Ocean

Q2. What is the 25th percentile of the following data set;

1, 3, 3, 4, 5, 6, 6, 7, 8, 8

1. 3.5
2. 5.5
3. 1
4. 3

Q3. Which of the following is a measure of variability?

​

1. Mode
2. Median
3. Variance
4. Mean

Q4. Which of the following measures of central tendency will always change if a single value in the data changes?

​

1. Mode
2. Median
3. All of the above
4. Mean

Q5. Which of the following data sets has a mean of 10 and standard deviation of 0?

​

1. 0, 10, 20
2. 15, 15, 15
3. 0, 0, 0
4. 10, 10, 10

Read More