Find the Following Difference $$\frac { 3 } { 7 } - \frac { 1 } { 7 }$$

question 92

Multiple Choice

Find the following difference. Give your answer in reduced form. $$\frac { 3 } { 7 } - \frac { 1 } { 7 }$$

• A) \(\frac { 7 } { 2 }\)
• B) \(\frac { 1 } { 7 }\)
• C) \(\frac { 2 } { 7 }\)
• D) \(\frac { 2 } { 49 }\)
• E) none of these

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Definitions:

R-charts

Control charts used to monitor the range within a sample, helping to identify variability in a process over time.

Sample Averages

The mean of a set of data points taken from a larger population, used in statistics to estimate the characteristics of the whole population.

X-bar

A statistical term representing the average or mean value of a set of data, commonly used in quality control processes.

R-chart

A tool in statistical process control that displays the variation among different samples to assess the stability of processes.