1. Given the following data:

190 177 177 178 174 166 158 170 178 163 161 191 165 167 171 201 200 200 171 151 182 191 193.

Construct a stem-and-leaf display with the stem label 15, 16, 17, 18 19, 20.

2. For a class of 25 students the professor recorded the following grades:

76 91 71 83 91 87 77 88 93 77 93 81 63 79 74 77 76 97 87 89 68 90 84 88 91. Group these scores into class intervals, set the midpoint and the tally for each class, and then find thee frequency for each class. Also construct a histogram and frequency polygon.

3. Compute the mean of the following population values: 5, 3, 5. 7, 6.

4. Compute the mean of the following sample values: 1.3, 7.0, 3.6. 4.1, 5.0.

5. The Carter Construction Company pays its hourly employees $16.50, $19.00, or $25.00 per hour. There are 26 hourly employees, 14 of which are paid at $16.50 rate, 10 at the $19.00 rate, and 2 at the $25.00 rate. What is the mean hourly rate paid to the 26 employees?

6.Wendy's Restaurant sold medium, large, and Biggie-sized soft drinks for $0.90, $1.25, and $1.50, respectively. Of the last 10 drinks sold, 3 were medium, 4 were large, and 3 were Biggie-sized. Find the mean.

7. Jose is a senior in the City University of New York, in the school of Business Administrations. During the Fall semester of 2008, he took courses in statistics and accounting; these were 3 hours each. He earned an "A" grades in each of these two courses. He also took a physics class of five hours of which he earned a "B" grade. In addition to that, he also earned a grade of "B" in a geography course of two-hour. Furthermore, he got a grade of "A" in a basketball course of only one-hour. What was his Grade Point Average, GPA? Given that:

A= 4 points,

B= 3 points

C= 2 points

D = 1 point

F = 0 point

8. John is a senior at Medgar Evers College of the City University of New York, in the school of Business Administrations. During the Spring semester of 2008, he took courses in statistics and economics; these were 3 hours each. He earned an "C" grades in statistics and a "B" in economics. He also took a chemistry class of five hours of which he earned a "C" grade. In addition to that, he also earned a grade of "B" in a history