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Exam ICBB topic 1 question 50 discussion

Actual exam question from Six Sigma's ICBB
Question #: 50
Topic #: 1
[All ICBB Questions]

Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).

  • A. The dependent variable is the outside temperature
  • B. The relationship between outside temperature and number of customers per hour is a Linear Regression
  • C. The dashed lines indicate with 95% confidence where all of the process data should fall between
  • D. The dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line
  • E. The predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C
Show Suggested Answer Hide Answer
Suggested Answer: DE 🗳️


Chosen Answer:
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3 years, 1 month ago
Correct answer is BC?
upvoted 1 times
1 month, 2 weeks ago
is not a linear regression this is a quadratic regression line
upvoted 1 times
Community vote distribution
A (35%)
C (25%)
B (20%)
Most Voted
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