Google Data Analytics - Process Data from Dirty to Clean - Course 4

Which process do data analysts use to make data more organized and easier to read?

Data manipulation

If you have to complete your analysis with insufficient data, how should you address this limitation? Identify trends with the available data Estimate certain findings based on your best guess Create new datasets similar to what's available Use only the data that supports their desired outcome

Identify trends with the available data

Which of the following principles are key elements of data integrity? Select all that apply.

Accuracy,Consistency

Before analysis, a company collects data from countries that use different date formats. Which of the following updates would improve the data integrity?

Change all of the dates to the same format

Companies usually create sample sizes before analysts get to see the data. True False

True

What are some of the possible challenges associated with using 100% of a population in data analysis? Select all that apply. Using 100% of a population is time-consuming. Using 100% of a population is not representative. Using 100% of a population is unreliable. Using 100% of a population is expensive.

Using 100% of a population is time-consuming. Using 100% of a population is expensive.