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Dell EMC
Data Science Foundations
D-DS-FN-23 Free Questions
Dell EMC D-DS-FN-23 Quiz:1 Topic:1 Questions:1-5

Home
Dell EMC
Data Science Foundations
D-DS-FN-23 Free Questions
Dell EMC D-DS-FN-23 Quiz:1 Topic:1 Questions:1-5

Dell EMC D-DS-FN-23 Quiz:1 Topic:1 Questions:1-5

Free Practice Mock Questions Set 1-5 (Quiz # 1) for Dell EMC D-DS-FN-23 Exam, according to official Dell EMC Dell Certified Data Science Foundations exam syllabus topic # 1

Question: 1

When should you consider using multinomial logistic regression over binary logistic regression?

ADependent variable is continuous or dichotomous

BDependent variable is continuous or categorical

CDependent variable has more than two categories

DDependent variable is continuous only

Answer : C

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Question: 2

Which visualization technique should be avoided?

AUsing a small number of contrasting colors to draw distinctions

BUsing tables of numbers to present all of the data visually

CAchieving a high data-ink ratio

DUsing visuals to illustrate key points

Answer : B

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Question: 3

In a user-defined aggregate function, what is FFUNC?

AOptional final calculation function

BWindow function

CState transition function

DSegment-level calculation function

Answer : A

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Question: 4

Refer to Exhibit.

q4_D-DS-FN-23

Refer to the exhibit.

What is the approximate R-squared value for a linear regression model fitted to the data associated with this scatterplot?

B0.96

C0.25

D16

Answer : B

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Question: 5

When building a K-means clustering model, you notice that the clusters did not segment on variables that you expected. What should you do?

ADecrease the value of K

BMultiply each variable by its standard deviation

CAdd the WSS to each variable

DCheck that the data was properly scaled

Answer : D

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Quiz 1

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