Fill in the blanks:

1. ……………. is used to collect data from a large number of people.
2. ……………. helps in getting useful information from websites and other online tools.
3. ……………. Machine Learning Repository provides many datasets.
4. ……………. and ……………. are examples of descriptive statistics.

1. Crowdsourcing is used to collect data from a large number of people.
2. Web scraping helps in getting useful information from websites and other online tools.
3. UCI Machine Learning Repository provides many datasets.
4. Mean and median are examples of descriptive statistics.