Question

The following sample of prices has how many modes? $2.99, $3.09, $2.99, $3.19, $2.89, $2.89, $2.99 $3.09, $3.29, $3.19, $3.09

Answer 1

Given :  sample of prices

$2.99, $3.09, $2.99, $3.19, $2.89, $2.89, $2.99 $3.09, $3.29, $3.19, $3.09

To find : Number of Modes

Solution

$3.19,   $3.29, $3.19, $3.09

arrange in  order

$2.89, $2.89, $2.99,  $2.99, $2.99 , $3.09, $3.09 , $3.09,  $3.19,  $3.19, $3.29,

                Frequency

$2.89,  -       2

$2.99            3

$3.09            3

$3.19              2

$3.19              1

Maximum frequency  is   3  for $2.99     & $3.09  

Hence there are two modes

two modes

$2.99     & $3.09  

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