1. How many principles of analytical graphs exist?
a) 3
b) 4
c) 6
d) none of the mentioned
Explanation: Six Principles of Analytical Graphs are useful for data analysis.
2. Which of the following is not a step in data analysis?
a) Obtain the data
b) Clean the data
c) EDA
d) None of the mentioned
Explanation: EDA stands for Exploratory Data Analysis.
3. Point out the wrong statement.
a) Simple linear regression is equipped to handle more than one predictor
b) Compound linear regression is not equipped to handle more than one predictor
c) Linear regression consists of finding the best-fitting straight line through the points
d) all of the mentioned
Explanation: Simple linear regression is equipped to handle more than one predictor.
4. Which of the following technique comes under practical machine learning?
a) Bagging
b) Boosting
c) Forecasting
d) none of the mentioned
Explanation: Boosting is an approach to machine learning based on the idea of creating a highly accurate predictor.
5. Which of the following technique is also referred to as Bagging?
a) Bootstrap aggregating
b) Bootstrap subsetting
c) Bootstrap predicting
d) all of the mentioned
Explanation: Bagging is used in statistical classification and regression.
6. Which of the following is characteristic of Raw Data?
a) Data is ready for analysis
b) Original version of data
c) Easy to use for data analysis
d) none of the mentioned
Explanation: Raw data is data that has not been processed for use.
7. Standard normal RVs are always labelled as Z.
a) True
b) False
Explanation: Standard normal RVs are often labelled as Z.
8. Which of the following CLI command can also be used to rename files?
a) rm
b) mv
c) rm -r
d) none of the mentioned
Explanation: mv stands for move.
9. Point out the correct statement.
a) CLI can help you to organize messages
b) CLI can help you to organize files and folders
c) Navigation of directory is possible using CLI
d) None of the mentioned
Explanation: CLI stands for Command Line Interface.
10. Which of the following command allows you to change directory to one level above your parent directory?
a) cd
b) cd.
c) cd..
d) none of the mentioned
Explanation: cd stands for change directory.