e frequency distibution was oblained using a class width of 0 5 lor data on cigarette lax rates Use the frequency distribution to approximate the population mean and population standard deviation Compare these results to the actual mean u$1 661 and st viation o $1.075 Click the icon to viow the frequency dshibution for the tax rates The population mean is S Round to three decimal places as needed) O Frequency distribution of cigarette tax rates Tax Rate 0 00-0. 49 0.50-0.99 1.00-1.49 1.50-1.99 2.00-2.49 2 50-2.99 3 00-3.49 3.50-3.99 4 00-4.49 Frequency o 13 8 4 Print Done

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.