First, they group all the students in the class by their year in school, then select 2 students at random from each group. Identify the sampling technique used in this scenario. Justify your answer based on the definition of the sampling technique. 

Construct a box plot for the data given. You do NOT have to submit your box plot. Identify the shape of the distribution of the variable Age based on your boxplot. Justify your answer using the box plot in the textbox or on your scratch paper. 

Which breed is shown in the attached picture? brswiss4.jpg

Let B = student is 25-34 years old. Describe P(B|F){“version”:”1.1″,”math”:”P(B|F)”} in words. Calculate P(B|F){“version”:”1.1″,”math”:”P(B|F)”}.   Justify your answer on your scratch paper or in the text box. 

Which breed is shown in the attached picture? jersey2.JPG

Find the probability that a randomly selected person in Illinois is 45-64 years old and lives in Cook County. Justify your answer ON YOUR SCRATCH PAPER – NOT IN THE TEXT BOX!

The mean number of students enrolled at the 25 Chicagoland schools is a parameter. 

The 6 dairy breeds recognized in the U.S. (not including the Red and White) are classfied as two separate subspecies, as can be seen by the shape of their skulls and horns.

ayrshire.jpg Which breed is shown in the picture attached?

Strunk and White, Chapter 2, details the following 7 rules.   Put statements in positive form. Use the active voice. Use definite, specific, concrete language. Omit needless words. Avoid a succession of loose sentences. Express coordinate ideas in similar form. Keep related words together How many of these 7 rules always result in a more concise paragraph (i.e., few words communicating the same ideas).   Enter an integer between 1 and 7.