1 Shiny and dry surface-when it starts going bad, it gets a slimy greyish coating. 2  Fresh odour-it can also smell like melon or cucumber. 3  If it's bad, it will smell rotten, like a sour dishcloth. 4  An even, light surface-the fish is bad if it has yellow spots and transparent parts on the surface.he fish you buy in the shops isn't always as fresh as it should be. But it can be difficult to ascertain when the fish actually starts going bad. Today's methods of ensuring freshness aren't good enough because they only measure one indicator of whether the fish is fresh, such as texture, smell or colour.
Definition of FREQUENCY DISTRIBUTION. : an arrangement of statistical data that exhibits the frequency of the occurrence of the values of a variable. See frequency distribution defined for kids. ADVERTISEMENT.
Raw Data. Data collected in original form. Frequency. The number of times a certain value or class of values occurs. Frequency Distribution. The organization of raw data in table form with classes and frequencies. frequency distribution where several numbers are grouped into one class. Class Limits. Separate one class in a grouped frequency distribution from another. The limits could actually appear in the data and have gaps between the upper limit of one class and the lower limit of the next.