T HE ‘N ORMAL ’ D ISTRIBUTION. O BJECTIVES Review the Normal Distribution Properties of the Standard Normal Distribution Review the Central Limit Theorem.
5-Minute Check on Activity 7-10 Click the mouse button or press the Space Bar to display the answers. 1.State the Empirical Rule: 2.What is the shape of.
5.6 Determining Sample Size to Estimate Required Sample Size To Estimate a Population Mean If you desire a C% confidence interval for a population.
Last Time Normal Distribution –Density Curve (Mound Shaped) –Family Indexed by mean and s. d. –Fit to data, using sample mean and s.d. Computation of Normal.
12.5 Differences between Means ( ’s known) Two populations: ( 1, 1 ) & ( 2, 2 ) Two samples: one from each population Two sample means and sample.
Quant 3610 Weber State University Dr. Stephen Hays Russell.
LECTURE UNIT 5 Confidence Intervals (application of the Central Limit Theorem) Sections 5.1, 5.2 Introduction and Confidence Intervals for Proportions.
The Lognormal Distribution By: Brian Shaw and Tim David.
4-1 Continuous Random Variables 4-2 Probability Distributions and Probability Density Functions Figure 4-1 Density function of a loading on a long,
