Statistical Infrequency

Question 1

what is the graph used to display data in statistical infrequency?

Answer 1

a graph of normal distribution

Question 2

what is meant by statistical infrequency?

Answer 2

for example with IQ anything blow 70 or above 130 is seen as statistically infrequent. anything in the bottom or top 2% is deemed abnormal

Question 3

what does normal distribution look like?

Answer 3

normal distribution will have the mode median and mean as the same of very close together. the graph will also be symmetrical

Question 4

what does a positively skewed graph look like?

Answer 4

it can be seen through remembering the right foot. high to low. it will have mode first then median and mean. in a test it would show that most did badly

Question 5

what does a negatively skewed graph look like?

Answer 5

it can be seen through remembering the left foot. it will have the mean first followed by the median then mode. in a test it would show that most did well

Question 6

what are the pros of the statistical infrequency definition?

Answer 6

it gives a clear visual representation with the quantitive evidence of data in order to highlight possible abnormalities

Question 7

what are the cons of the statistical infrequency definition?

Answer 7

there are some desirable characteristics which are rare for example a high IQ which in this definition would be seen as an abnormality.