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Sophia Learning STAT1001: Introduction to Statistics UNIT 4 — MILESTONE 4 Answered Attempt Score 94% Fall 2024/25. $18.04   Add to cart

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Sophia Learning STAT1001: Introduction to Statistics UNIT 4 — MILESTONE 4 Answered Attempt Score 94% Fall 2024/25.

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  • STAT1001: Introduction to Statistics
  • Institution
  • STAT1001: Introduction To Statistics

Sophia Learning STAT1001: Introduction to Statistics UNIT 4 — MILESTONE 4 Answered Attempt Score 94% Fall 2024/25.

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  • September 12, 2024
  • 34
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • stat1001
  • STAT1001: Introduction to Statistics
  • STAT1001: Introduction to Statistics
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UNIT 4 — MILESTONE 4

17/18




17/18  that's 94% RETAKE



 17 questions were answered correctly.
1 question was answered incorrectly.



1 


Which of the following is NOT a guideline for
establishing causality?



Take into
consideration all the
● other possible
causes.



Perform a
randomized,
● controlled
experiment.




https://app.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/33677482 6/11/24, 5 04 AM
Page 1 of 34




:

, Keep all variables the
same to get duplicate
 #
results.



Look for cases where
correlation exists
between the

variables of a
scatterplot.




RATIONALE

For causality, the association should be
something we observe in slightly varied
conditions. So if all variables and conditions
are the same, this is not a way to support
causality.


CONCEPT
→ Establishing Causality

Report an issue with this question




2 


Which of the following scatterplots best shows
an outlier in BOTH the x- and y-direction?




https://app.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/33677482 6/11/24, 5 04 AM
Page 2 of 34




:

, ●




 #














RATIONALE

To have an outlier in the x-direction and y-
direction the outlier must be outside of the
range of y data and outside the range of x-
data. This outlier is below in the y-direction




https://app.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/33677482 6/11/24, 5 04 AM
Page 3 of 34




:

, and to the left in the x-direction.


CONCEPT
→ Outliers and Influential Points

Report an issue with this question




3 


The scatterplot below charts the performance of
an electric motor.




Which answer choice correctly indicates the
explanatory variable and the response variable



https://app.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/33677482 6/11/24, 5 04 AM
Page 4 of 34




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