Method Evaluation

Question 1

what is the gaussian distribution

Answer 1

bell-shaped, normal sample population, finite mean and variance

Question 2

what types of data fit in a gaussian distribution

Answer 2

naturally occurring random variables

Question 3

what is the advantage of using a gaussian distribution

Answer 3

ease of interpretability

Question 4

how much data is inside +/- 1s

Answer 4

2/3

Question 5

how much data is outside +/- 1s

Answer 5

1/3

Question 6

how much data is outside +1s

Answer 6

1/6

Question 7

how much data is outside - 1s

Answer 7

1/6

Question 8

how much data is inside +/- 2s

Answer 8

95%

Question 9

how much data is outside +2s

Answer 9

1/40

Question 10

how much data is inside - 2s

Answer 10

1/40

Question 11

how much data is inside +/- 3s

Answer 11

99%

Question 12

how much data is outside +/- 3s

Answer 12

1/100

Question 13

how many measurements must we average to improve our precision by a factor of 2

Answer 13

more measurements

Question 14

one control is beyond +/- 2s from the mean. How frequently would this occur on the basis of chance alone

Answer 14

5:100

Question 15

two consecutive controls are both beyond -2s from the mean. how frequently would this occur on the basis of chance alone

Answer 15

1:1600