euro anglais

Question 1

the mean

Answer 1

average found by addig and dividing (sometimes doesn’t work, accurate but not useful)

Question 2

median

Answer 2

list in order and then choose the middle number
if there are 2 middle numbers, work out their mean

Question 3

mode

Answer 3

number that is listed the most in the dataset
two modes: bimodal
more than 2 : multimodal

Question 4

range

Answer 4

the difference between the least and greatest number of the list

Question 5

outliers

Answer 5

values that lie outside the other values
they can change the mean a lot : we can not use them and say it or use the median or mode

Question 6

other means :

Answer 6

normale : arithmetic mean
the geometric mean : you multiply all the numbers and then do a square root/ cube root/ etc depending on how many terms
the harmonic mean : adds up “1 divided by number “ then flips it up in a fraction (the numerator is the number of terms)