3.1 What is Central Tendency?

Why needed?

##                    mpg cyl  disp  hp drat
## Mazda RX4         21.0   6 160.0 110 3.90
## Mazda RX4 Wag     21.0   6 160.0 110 3.90
## Datsun 710        22.8   4 108.0  93 3.85
## Hornet 4 Drive    21.4   6 258.0 110 3.08
## Hornet Sportabout 18.7   8 360.0 175 3.15
## Valiant           18.1   6 225.0 105 2.76
## Duster 360        14.3   8 360.0 245 3.21
## Merc 240D         24.4   4 146.7  62 3.69

##       mpg             cyl           disp      
##  Min.   :14.30   Min.   :4.0   Min.   :108.0  
##  1st Qu.:18.55   1st Qu.:5.5   1st Qu.:156.7  
##  Median :21.00   Median :6.0   Median :192.5  
##  Mean   :20.21   Mean   :6.0   Mean   :222.2  
##  3rd Qu.:21.75   3rd Qu.:6.5   3rd Qu.:283.5  
##  Max.   :24.40   Max.   :8.0   Max.   :360.0

• Summary
• Comparison
• A value to represent all