Answer-Basic syntax to create a bar-chart in R is

barplotH, xlab, ylab, main, names.arg, col where H is a vector or matrix which contains numeric values used in bar chart. xlab is the label for x axis. ylab is the label for y axis. main is the title of the bar chart. names.ar g is a vector of names appearing under each bar. col is used to give colours to the bars in the graph. Example c7,12,28,3,41