statistics

Question 1

describe how to find out the mean

Answer 1

add all the values together and divide them by the amount of terms in the list.

Question 2

describe how to find out the median

Answer 2

sort the numbers in ascending order and;
- if the amount of numbers are odd, the
median it the number in the middle
- if the amount of numbers are even, the
median is the mean of the two middle
values.

Question 3

describe how to find out the range

Answer 3

range = maximum - minimum

Question 4

describe the probability of an event

Answer 4

number of favourable outcomes
p = ———————————————–
total number of outcomes

Question 5

describe how to find out the mode

Answer 5

the value that appears most frequently in a set of data

Question 6

describe two independent events of a and b

Answer 6

p ( a and b ) = p(a) x p(b)