2. A test has a maximum possible score of 200. The results achieved by a class of 20 students are listed: 168, 152, 112, 88, 95, 123, 177, 166, 145, 104, 112, 156, 110, 141, 177, 166, 134, 190, 111, and 120. a) Determine the mean, median, and mode. b) What are the quartiles for this data set? c) Jacquelin's mark is in the 40th percentile for this group. Explain what the percentile means. What is Jacquelin's mark? (C

Ten novels were randomly selected, and the number of pages were recorded as follows: 415   398   402   399   400   405   395   401   412   407 Calculate the mean of the data set.   Ten novels were randomly selected, and the number of pages were recorded as follows: 415   398   402   399   400   405   395   401   412   407 Calculate the mean of the data set. 395 401.5 403.4 407 399

Identify whether the following data set is a population or a sample. A news reporter is conducting a study of Phoenix High School teachers. The reporter determined the average annual salary of all of the teachers at Phoenix High School. a) Sample b) Population

2. Which gender is taller, males or females? A sample of 14-year-olds from the United Kingdom was randomly selected using the CensusAtSchool website. Create an appropriate stemplot. Here are the heights of the students (in cm): Male: 154, 157, 187, 163, 167, 159, 169, 162, 176, 177, 151, 175, 174, 165, 165, 183, 180 Female: 160, 169, 152, 167, 164, 163, 160, 163, 169, 157, 158, 153, 161, 165, 165, 159, 168, 153, 166, 158, 158, 166