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.

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Improve your understanding of data analytics.
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10 Questions2 MinutesCreated by AnalyzingData49

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

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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