Statistics

  1. Write the null and alternative hypotheses for the following (use symbols): a. Two tailed Z test i. H0: ii. H1: b. One Tailed Z Test i. H0: ii. H1: 2. Find the area under the normal curve for the following problems a. Area between 2 sd above and the mean (z scores of 0 and 2.0) b. Area below z score of 1 c. Z score below which 95% of all values fall 3. Fill in the following table about Type I and Type II errors