Consider the Following Cumulative Frequency Distribution Find the Frequency for Each of the Following Classes

question 57

Essay

Consider the following cumulative frequency distribution. $$\begin{array} { | c | c | } \hline \text { Class limits } & \text { Cumulative frequency } \\\hline \text { Up to } 10 & 12 \\\hline U p \text { to } 20 & 29 \\\hline U p \text { to } 30 & 57 \\\hline U p \text { to } 40 & 71 \\\hline U p \text { to } 50 & 95 \\\hline\end{array}$$ Find the frequency for each of the following classes.
a. 0 up to 10.
b. 10 up to 20.
c. 20 up to 30.
d. 30 up to 40.
e. 40 up to 50.

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Definitions:

Primary Keys

Unique identifiers used in databases to distinguish records.

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A field in a database table that uniquely identifies a row in another table, establishing a link between the two.

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