1. Statistics
Terms
Statistics
Formulas
Counting
Probability
Graphs
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2. The same as the average.

3. Mean

4. The middle term in a set of data.

5. Median

6. The term that means the “most.”

7. Mode

8. The median of the upper half.

9. Upper Quartile or Q3

10. Extreme numbers compared to
the rest of the data.

11. Outliers

12. The Range

13. Highest - Lowest

14. The Mean

15. Add all numbers and divide by the
total number of items.

16. The Median

17. Put numbers in order from least to greatest and take the number in
the middle.

18. Interquartile Range

19. Q3 - Q1

20. Outliers

21. Subtract from Q1 and add to Q3.
1.5 x interquartile range.
Subtract from Q1 and add to Q3.

22. Formula for finding the total number of
possibilities, or the Fundamental
Counting Principle.

23. The number of ways the first event can
happen times the number of ways the
second event can happen, etc.

24. If you have 5 shirts, 4 pants, and 2 belts
this is the total number of outfits you
can make.

25. 40

26. When order matters.

27. Permutation

28. 8 *7*6*5*4*3*2*1
could be rewritten as...

29. 8!

30. The number of ways 17 horses could finish 1st, 2nd, and 3rd in the
Kentucky Derby.

31. 4080

32. The probability of an event is
defined as...

33. The total number of favorable outcomes divided by (over) the
total number of possible outcomes.

34. The probability of rolling a 3 OR
a 4 on one roll of a die.

35. 1/3

36. When the outcome of one event does not affect the outcome of
another event, the events are said
to be...

37. Independent

38. The probability of tossing a coin and
getting a tail AND of rolling a die and
getting a 2.

39. 1/12

40. If a bag contains 5 red, 3 blue, and
7 yellow marbles, the probability of
of randomly selecting a 2 red marbles if
the first one is NOT replaced is...

41. 2/21

42. The odds in favor of an event occurring is defined as...

43. The ratio of the number of favorable
outcomes to the number of unfavorable
outcomes.

44. The odds of flipping a coin
and getting a head is...

45. 1:1

46. The odds against an event occurring
is defined as...

47. The ratio of the number of unfavorable
outcomes to the number of favorable
outcomes.

48. The odds AGAINST rolling a die
and getting a 5 is...

49. 5:1

50. The odds AGAINST rolling two dice and getting a sum of 7 is...

51. 1:5