A Sample of 50 TV Viewers Were Asked, "Should TV

A sample of 50 TV viewers were asked, "Should TV sponsors pull their sponsorship from programs that draw numerous viewer complaints?" Below are the results of the survey.(Y = Yes; N = No; W = Without Opinion) $\begin{array}{llllllllll}\mathrm{N} & \mathrm{W} & \mathrm{N} & \mathrm{N} & \mathrm{Y} & \mathrm{N} & \mathrm{N} & \mathrm{N} & \mathrm{Y} & \mathrm{N} \\\mathrm{N} & \mathrm{Y} & \mathrm{N} & \mathrm{N} & \mathrm{N} & \mathrm{N} & \mathrm{N} & \mathrm{Y} & \mathrm{N} & \mathrm{N} \\\mathrm{Y} & \mathrm{N} & \mathrm{Y} & \mathrm{W} & \mathrm{N} & \mathrm{Y} & \mathrm{W} & \mathrm{W} & \mathrm{N} & \mathrm{Y} \\\mathrm{W} & \mathrm{W} & \mathrm{N} & \mathrm{W} & \mathrm{Y} & \mathrm{W} & \mathrm{N} & \mathrm{W} & \mathrm{Y} & \mathrm{W} \\\mathrm{N} & \mathrm{Y} & \mathrm{N} & \mathrm{Y} & \mathrm{N} & \mathrm{W} & \mathrm{Y} & \mathrm{Y} & \mathrm{N} & \mathrm{Y}\end{array}$ ​
a.
Construct a frequency distribution and a bar chart.
b.
Construct a relative frequency distribution and a pie chart.