As you construct the confidence intervals for the 3 datasets a few important concepts shouldbecome clear:1) interval size and level of confidence for a given sample size.Construct amultiple bar graph to visually show these relationships.The size of the interval will be measuredon the vertical axis and each sample will be on the horizontal axis, with a set of 3 bars for the80%, 90%, and 95% confidence levels.Refer to the worksheet "figure 1" and fill in the table tocreate your graph.Discuss the relations you have found.For example: what happens to intervalsize as the confidence level increases, as sample size increases?Why?(2-3 short sentenceshere