The graph below shows the probability density function (PDF) of a random variable  which has a normal distribution.  What is the mean of ?  

Educational Attainment and Frequency of Church Attendance No Degree Secondary Degree College Degree 2 2 0 1 2 0 1 2 0 2 1 0 2 1 1 2 0 1 0 2 0 2 1 1 2 1 2 2 2 1 (0 = never, 1 = infrequently, and 2 = two to three times per month or more) What is the sum of squares within (the within-group sum of squares) for these data? Round to four decimal places (0.1234).

Educational Attainment and Frequency of Church Attendance No Degree Secondary Degree College Degree 2 2 0 1 2 0 1 2 0 2 1 0 2 1 1 2 0 1 0 2 0 2 1 1 2 1 2 2 2 1 (0 = never, 1 = infrequently, and 2 = two to three times per month or more) How many degrees of freedom within? Round to four decimal places (0.1234).

In The Cherry Orchard, who throws the party on the most important day in the play?

Educational Attainment and Frequency of Church Attendance No Degree Secondary Degree College Degree 2 2 0 1 2 0 1 2 0 2 1 0 2 1 1 2 0 1 0 2 0 2 1 1 2 1 2 2 2 1 (0 = never, 1 = infrequently, and 2 = two to three times per month or more) Select the most appropriate decision and and reason for decision. 

What is the correct formula for a compound composed of Ca2+ ions and PO43− ions?

Below is the pdf file of the tables provided.    Exam-final-data.pdf

Which of the following statements regarding ionic and molecular compounds are correct? Mark ALL correct answers. 

  QUESTION 6  Einkaufen      Supermarkt Geld gekauft Stadtmitte   Schreib 60–75 Wörter auf Deutsch über Einkaufen. Du musst alle Wörter oben benutzen.

*Bonus Question*Respond with a minimum of 50 words to the prompt below. Thorough, well written answers will receive 10 bonus points to this test’s grade. Congress and the Federal Reserve each have methods they implement to shift our AS/AD model, encouraging the economy to expand (speed up) or contract (slow down). Please answer the following: *One fiscal policy tool or action that can be used by Congress to encourage the economy to expand. and *One monetary policy tool or action that can be used by the Federal Reserve to encourage the economy to contract.