introduction to data analytics coursera quiz answers week 4
Practice Quiz
1. What is one of the common measures of Central Tendency?
- Classification
- Regression
- Mean
- Variance
2. What technique is used to help identify the nature of the relationship between two variables?
- Anomaly Detection
- Regression
- Clustering
- Classification
Graded Quiz
4. What is a branch of mathematics dealing with the collection, analysis, interpretation, and presentation of numerical or quantitative data?
- Calculus
- Algebra
- Statistics
- Pie
5. Data Mining is defined as the process of:
- Extracting knowledge from data
- Identifying errors in data
- Filtering data based on pre-defined criteria
- Preparing raw data for analysis
6. What type of data mining operations was R specifically built to handle?
- Sorting
- Classification of data
- Filtering
- Calculating mean, median, and mode
7. When you’re calculating the middle value of a data field in a data set, what are you really calculating?
- Mean
- Median
- Average
- Mode
8. What is the general tendency of a set of data to change over time called?
- Trend
- Anomaly
- Pattern
- Variation
Shuffle Q/A 1
Practice Quiz
9. Data visualizations such as graphs and charts are a great way to bring data to life.
- True
- False
10. You can use dashboards to present operational data such as daily progress data, as well as analytical data, such as the overall health of a business function.
- True
- False
