Harold measures the heights in inches of the new plants that are growing in his greenhouse. He records the lengths shown below and wants to plot them on a line plot.

19.5 21.5 18.0 19.5 19.25 19.5 21.0
18.25 20.5 18.75 19.0 19.0 19.25 22.0
please no links and do it

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?