You can upload any work or scratch paper here, please make sure your scratch is labeled by question, if I cannot identify which problem the work is for I will not use the scratch.  It is best if you use a scanning app, I recommend you use  Genius Scan or Camscanner and note you can also upload your scratch in the exam module under Exam 1 scratch upload.  If none of that works you can email me your scratch paper within 10 minutes of the exam ending as well.

If we have a list of all the students at SMC and we randomly pick a starting point and then pick every 57th person on the list, what type of sampling is this?

A study in which the researcher knows which subjects got a treatment but the subjects do not know who got the treatment is called a blind, double blind or placebo effect?

The weight of a human heart is adults males has a bell-shaped distribution with a mean of 300 grams and a standard deviation of 35 grams.  Use the empirical rule to determine the following.  Write your answers in full sentences and use the appropriate units. a.   About 68% of adult male human hearts will weigh between what weights?  b.   What percentage of human hearts weigh less than 230 grams? c. What percentage of human hearts weigh between 230 grams and 405 grams?  

If we divide Santa Monica into 100 different neighborhoods and then randomly pick 15 of the neighborhoods and interview ALL of the people in those 15 neighborhoods, what type of sampling is this?

If the heights of a Giraffe is 212 inches and it corresponds to P23  interpret this value in a sentence.

You have a list of all employees for a large company, you randomly pick 50 employees for a special survey using a random number generator and their company identification number.

Use the following information to answer the questions below Math History Your exam score = 65 Your exam score = 65 Mean  = 60 Mean = 45 Standard deviation = 2 Standard deviation = 10 a.  Which exam had more variation in the scores? Briefly explain and justify your answer b. In which class did you do relatively better than the rest of the class? Briefly explain and justify your answer.

The above boxplot describes the square footage of one bedroom apartments that were rented over the past 12 months.  Answer the following: a.  Approximately what percentage of one bedroom apartments rented in the past 12 months were more than 1700 square feet? [answer1] b.  Approximately what percentage of one bedroom apartments rented in the past 12 months were between 1200 and 1700 square feet? [answer2] c.  What is the median for the square footage of one bedroom apartments? [answer3] d.  What is the approximate interquartile range? [answer4]

If a salary of $120,000 corresponds to  P81, interpret this value in a sentence.