Example for discrete data ______________________

Data cleaning is

Data on income are stored as integers, with 1 standing for the range under $50k, 2 for

$50k to $80k and 3 for over $80k. This income data is quantitative.

MongoDB is ___________ database

Using properly constructed statistical tests, it is possible that the null hypothesis will be

rejected when it is in fact true

All data science investigations start with an existing dataset.

Identify the odd one out from following

The use of historical data to make decisions about the future can reinforce historical biases

Which of the following is not a part of the data analytics process?

Which of the following step is performed by a data scientist after acquiring the data?