STAT1001 Milestone 2 Retake 2026/27 (PDF) | Statistics | Sophia

Introduction to statistics
MILESTONE 2 RETAKE GUIDE

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Actual Questions & Verified Answers with Rationales

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, UNIT 2 — MILESTONE 2

21/25

21/25  that's 84% RETAKE



 21 questions were answered correctly.
4 questions were answered incorrectly.




1 
●

The school paper published the results of a survey among grade
eight students with regards to their favorite subject




Which of the following statements about the stack plot is true?



More boys chose math as their
● favorite subject than science.

, UNIT Most
2 —ofMILESTONE
the students chose2English
● as their favorite subject.

21/25

More girls than boys chose English
  as their favorite subject.



More than half the girls chose
● science as their favorite subject.




RATIONALE

When examining English, we can see that the darker area (girls) is
much larger than the boys. So it is true that more girls choose
English as their favorite subject. In fact, in all subjects it appears
that there are more girls relative to boys.



CONCEPT
→ Stack Plots

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2 
●

The formula for the standard deviation of a sample is:




Select the true statement for the following data set that has a mean
of 6.75:

4, 6, 7, 10

Answer choices are rounded to the hundredths place.