Author Question: When figuring a correlation coefficient, scores are first converted to Z scores because A) the ... (Read 73 times)

mmm

  • Hero Member
  • *****
  • Posts: 558
When figuring a correlation coefficient, scores are first converted to Z scores because
 
  A) the standard deviation is the same for every variable.
  B) scores can never be more than 2 standard deviations from the mean.
  C) all scores are on a consistent 0 to 1 scale.
  D) high scores are positive numbers, and low scores are negative numbers.

Question 2

Since no environment can be more quiet than no noise at all, a survey of noise in various study environments found that noise scores tended to pile up at the low end, reflecting a(n) __________.
 
  Fill in the blanks with correct word



ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

D

Answer to Question 2

floor effect



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

For a complete list of videos, visit our video library