ATHK1001 PASS WEEK 1-2

5. a type of probability derived from frequency of events
9. bias when the way the sample was selected isn’t representative of population
10. statistics used to describe or summarise data
12. a common graph of distribution
13. a measure of spread; standard deviation squared
14. the opposite of relative amount (percentage)
16. a use of statistical analysis
17. sum of all scores divided by number of scores
18. a type of probability where the likelihood of an event to occur at some particular time/place

1. a type of probability where the likelihood of an event to occur in some area or over some period of time
2. an element of thought
3. often confused with accuracy
4. bias when there’s over time attrition (dropping out) which may reduce a data set
6. an event occurring that are unrelated to or not dependent on one another
7. a path to deceptive statistics; how we join up or split apart data can make a difference
8. mean, median and mode are measures of this
11. a value calculated by multiplying each value of the random variable by its probability and add the products
15. the middle score