Measures of Central Tendency (Grade 10 NSC Matric Mathematics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Definition of mean
Definition of mean
Sum of all values divided by number of values
Other names for mean
Other names for mean
Average or arithmetic mean
Definition of median
Definition of median
Middle value when data sorted from lowest to highest
Property of median re: data distribution
Property of median re: data distribution
Half values less than median, half greater
Finding median with odd number of values
Finding median with odd number of values
The middle value
Finding median with even number of values
Finding median with even number of values
Average of two middle values
Definition of mode
Definition of mode
Value that occurs most often in data set
Can a data set have more than one mode?
Can a data set have more than one mode?
Yes, if multiple values have highest frequency
How does an outlier affect the mean?
How does an outlier affect the mean?
Mean is significantly affected by outliers
How does an outlier affect the median?
How does an outlier affect the median?
Median is less affected by outliers