Data Analytics
Data Analytics Quiz
Test your knowledge of data analytics concepts with our engaging quiz designed for analysts, students, and enthusiasts alike. Challenge yourself with a series of questions that cover key topics in data visualization, regression analysis, and statistical methods.
Join us to:
- Improve your understanding of data analytics.
- Learn about practical applications in real-world scenarios.
- Measure your knowledge against others in the field.
If the independent variable is qualitative and dependent variable quantitative, which of the following tests/tools can be used?
Regression
Logistic Regression
ANOVA
Chi - Square
What is a word cloud?
Visualization technique to represent mean, deviations and other statistics of data
Visualization technique to represent each dimension as a feature (variable)
Visualization technique to represent words on the basis of its occurrences
Visualization technique to represent data as a point in a 2-D space
Which is the best technique for concisely depicting actual magnitude of data points?
Word cloud
Treemap
Histograms
Pie chart
Which of these is not a data visualization method?
Box plot
Hypothesis Test
Scatter plot
Histogram
In the following estimated regression equation y=b0+b1x
B1 is the slope
B1 is the intercept
B0 is the slope
None of these alternatives is correct.
In a regression problem, if the coefficient of determination is 0.95, this means that:
95% of the y values are positive.
95% of the variation in y can be explained by the variation in x.
95% of the y values are predicted correctly by the model.
None of these choices.
R = 0 indicates ________.
X and Y have a relationship
X and Y don't have a linear relationship
X and Y are unrelated
X and Y have a linear relationship
Which of the following techniques is used in Credit Risk Analysis?
Cluster Analysis
Factor Analysis
Multidimension Scaling
Logistic Regression
Which of the following situations is best addressed by regression?
Is there an association between market share and the size of the sales force?
Is there an association between market share and size of the sales force after adjusting for the effect of sales promotion?
Determine how much of the variation in the dependent variable (store sales) can be explained by the independent variables (price and level of advertisement).
Are consumers' perceptions of quality related to their perceptions of prices when the effect of brand image is controlled?
A graphical presentation of the relationship between two variables is
An ogive
A histogram
Either an ogive or a histogram, depending on the type of data
A scatter diagram
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