nerdexam
ASQ

CSSBB · Question #285

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

The correct answer is 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. See the full explanation below for the reasoning.

Analyze Phase

Question

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

Exhibit

CSSBB question #285 exhibit

Options

  • AThe dependent variable is the outside temperature
  • BThe relationship between outside temperature and number of customers per hour is a Linear
  • CThe dashed lines indicate with 95% confidence where all of the process data should fall between
  • DThe dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line
  • EThe predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C

How the community answered

(40 responses)
  • A
    3% (1)
  • B
    10% (4)
  • C
    5% (2)
  • D
    83% (33)

Topics

#quadratic regression#confidence interval#fitted line plot#regression interpretation

Community Discussion

No community discussion yet for this question.

Full CSSBB Practice