Define the following terms: Observations                                (ii)  data Frequency of an observation Frequency distribution

Define the following terms: Observations (ii) Raw data Frequency of an observation Frequency distribution Discrete frequency distribution Grouped frequency distribution class-interval (viii) Class-size Class limits (x) True class limits

Draw a frequency polygon for the following frequency distribution:

Draw frequency polygon for the following frequency distribution.

Draw a frequency polygon for the following frequency distribution.

Mean of Grouped Data or discrete frequency distribution

Draw the frequency polygon for the following frequency distribution:

Draw the frequency polygon representing the following frequency distribution

Define the term collision frequency.

At a point, beats frequenc of n Hz is observed it means: