it is the product's main operating characteristics

the knowledge exhibited by personnel who come in contact with customers

It refers to the speed with which service is delivered

this refers to the appearance, smell, feel and/or taste of the product.

it is the way the customers are treated by employees who come in contact with them

it is the likelihood that the product will not fail within a specific period of time

the willingness of service providers to help customers in unusual situation and to deal with problems.

this is how well the product corresponds to product's design specifications.

it is the availability and accessibility of the service

this refers to the extra characteristics that enhance the appeal of the products.

this is the speed with which the product can be repaired

this is the ability to perform the service dependably, consistently and accurately

this is the physical appearance of the facilities, equipment, personnel, and communication materials

this is the ability of the product to provide same level of quality throughout its usage

this is the only quality tool not based on statistics and it visualizes the various factors associated with the process that affects the output.

It shows the range of values of a measures and and the frequency with which each value occurs.