WorksheetsBusiness Analytics
Total questions: 10
Worksheet time: 3mins
Multiple linear regression (MLR) is a __________ type of statistical analysis.
univariate
bivariate
multivariate
Non of the above
A linear regression (LR) analysis produces the equation Y = 0.4X + 3. This indicates that:
When Y = 0.4, X = 3
When Y = 0, X = 3
When X = 3, Y = 0.4
When X = 0, Y = 3
When writing regression formulae, which of the following refers to the predicted value on the dependent variable (DV)?
Y
Y (hat)
X
XX (hat)
———- plot displays information as series of data points connected by straight lines.
Bar
Line
Scatter
Histogram
—————- is about developing code to enable the machine to learn to perform tasks and its basic principle is the automatic modeling of underlying that have generated the collected data.
Data Science
Data Analytics
Data Warehousing
Data mining
K- nearest neighbors algorithm is based on ————– learning
Un- Supervised
Supervised
Association
correlation
Which of the following is NOT supervised learning ?
PCA
Decision Tree
Linear Regression
Naive Bayesian
————-type of analytics descibes what happened in past
Predictive
Prescriptive
Descriptive
Probability
—————– analysis estimates the relationship between single dependent variable and single independent variable
Multiple regression
Simple Regression
Correlation
Probability
A perfect negative correlation is signified by ————-
A : 1 B : -1 C : 0 D : 2
-0.001
-1
0
-10
