Problem 51E

The bacterial strain Acinetobacter has been tested for its adhesion properties. A sample of five measurements gave readings of 2.69, 5.76, 2.67, 1.62 and 4.12 dyne-cm2. Assume that the standard deviation is known to be 0.66dyne-cm2 and that the scientists are interested in high adhesion (at least 2.5 dyne-cm2).

(a) Should the alternative hypothesis be one-sided or two-sided?

(b) Test the hypothesis that the mean adhesion is 2.5 dyne-cm2.

(c) What is the P -value of the test statistic?

Leslie Ogu COMM 1041 09/15/2016 Self Question: The thing I like MOST about myself is _____________________. Homework ➢ Diversity Communication Paper Due Next Tuesday (09/20) (for those doing it) ➢ Prepare for your assigned terms ➢ Movie Scene Due TODAY (in class) ➢ Reading p. 6280 (Leslie & Billy to present) 3 Aspects of Self ➢ Selfconcept: the way you see yourself ➢ Selfawareness: insight you have into yourself ➢ Selfesteem: value you place on yourself Self concept comes from (class discussion) ➢ Nurture ➢ People around us ➢ Societal structure Selfconcept comes from ➢ What others think of you ➢ Social comparisons