The calculator will give you the result of (17.392, 26.808) meaning that your 98% confidence interval is 17.392 to 26.808. This is the same as: 17.392 > μ > 26.808 That’s how to find a Confidence Interval on the TI 83 for the Population Mean! Back to Top How to Find a Confidence...
ii) Interval estimators Point Estimator A single value (or point) used to estimate the unknown value of population parameter What population parameters do we frequently need to estimate? i) an unknown population proportion : ii) an unknown population mean . ...
Z scores can also be found using the Normal Distribution Calculator, while t scores can be found using the t Distribution Calculator. Online tools are available as well. Your sample population must be normal for your confidence interval to be valid. The critical value used to calculate the ...