In Exercises 58, use the following two control charts that result from testing newly manufactured aircraft altimeters. The original sample values are errors (in feet) obtained when the altimeters are tested in a pressure chamber that simulates an altitude of 1000 ft.What is the value of x ? In general, how is a value of x found?

Statistics for Psychology Concept 2 * z-test * single sample t test * used to compare a sample mean to a population with known mean, but the variance of the population is unknown * dependent means t test * also known as a “repeated measures” or “within subjects” research design because it compares two scores for each individual in the sample * Looks for a before...