[5] Normality

Question 1

Define: Normality

Answer 1

Condition of being normal, state of being usual typical, or expected

Question 2

What % of observations fall within 1 SD of the Mean

Answer 2

2/3s

68%

Question 3

What % of observations fall within 2 SD of the Mean

Answer 3

95%

Question 4

What % of observations fall within 3 SD of the Mean

Answer 4

99%

Question 5

Most distributions in the physical and biological sciences resemble what kind of a distribution?

Answer 5

Normal Distribution

Question 6

What values fall under abnormal characteristics for a normal/Gaussian distribution?

Answer 6

Values beyond 2 SDs from the the mean

Question 7

Define: Gaussian

Answer 7

Distribution of test results is normall distributed

Question 8

Define: Percentile

Answer 8

Lies within a present percentile

Question 9

Define: Risk Factor

Answer 9

Carries no additional risk of morbidity and mortality

Question 10

Define: Therapeutic

Answer 10

Range of test results beyond which therapy does more good than harm

Question 11

Define: Diagnostic

Answer 11

Range of test results beyond which a specific disease is, with known probability, present or absent

Question 12

Define: Culturally Desirable

Answer 12

Socially or Politically aspired to