Statics {1} determine what population parameter is being tested
{2]state the null and alternative hypothesis
{3} determine if it is left tailed , or two tailed test
{4} determine the most appropriate level of significance to use 1%, 5%
scenario1 = according to stats canada, the average weight of baby born in canada in 2013 was 3.35kg. a pediatrician believes this number has increased since then. a large random sample of newborn babies is selected to test the pediatrician claim

sc2 the established success rate of particular treatment is 85% .a physician believes that his success rate is higher than this , so he tests this claim using a random sample of his patients who have had the treatment in the past 3 years. however he does not wish to claim that his patients experience more success than average unless he is a certain as he possibly can be.

What is the distance between (–2 1/2,-3) and (1, –3)?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true