Essay Question Instructions: Make sure you show all work on the five essay questions on scratch paper. Upload a PDF of your written work to the Canvas Upload module immediately after you finish the test. Most of the points are awarded based on your written work, not the final answer that you submit to each question. Essay Question 2: The PLNU is trying to determine if basketball players weigh more that baseball players.  A random sample was taken of  43 basketball players and their mean weight was 196 lbs with a standard deviation of 21.4 lbs.  A random sample of  59 baseball players was taken and their mean weight was 187 lbs with a standard deviation of 16.8 lbs.  Give a 95% confidence interval for the mean difference in the average weights of PLNU basketball and baseball players. Be sure to show all formulas, work and numbers used ( e.g. df & critical value) .  At the end of your work, write a one or two sentence summary in non-statistical language to describe what you have found, not how you found it. Your audience is people who have never had a statistics class. The PLNU is trying to determine if basketball players weigh more than baseball players.  A random sample was taken of  53 basketball players and their mean weight was 196 lbs with a standard deviation of 21.4 lbs.  A random sample of  62 baseball players was taken and their mean weight was 187 lbs with a standard deviation of 18.3 lbs.  Give a 95% confidence interval for the mean difference in the average weights of PLNU basketball and baseball players. Be sure to show all formulas, work and numbers used ( e.g. df & critical value) .  At the end of your work, write a one or two sentence summary in non-statistical language to describe what you have found, not how you found it. Your audience is people who have never had a statistics class.    

Given the following two relations R and S as Sets with the following records   Perform a cartesian product operation between R and S.  You have to show the final resulting relation here on canvas. Scratch papers will be collected and discarded after the exam. 

A large software company gives its applicants a test in programming ability.  In the past the mean score was 150.1.  This year a random sample of 25 applicants was taken and their scores had a mean of 157.1 and a standard deviation of 16.3.   At the significance level of

A supplier of digital memory cards claims that less than 1% of its cards are defective.   A customer took a random sample of 200 cards and found that 3 were defective.  What is the proper hypotheses to test the customer’s claim that the rate is higher?

Which of the following tectonic settings is the most likely to generate an explosive volcanic eruption?

An unranked college football team upsets the #1 team in the country with a last-second field goal. Your best friend from high school says they knew the #1 team was going to lose because they were overrated and not really that good. This is most clearly an example of

Which of the following memory structures holds the least information?

At Plains High School, students who are tardy to class are given “Yard Patrol” after school. Yard patrol amounts to requiring the students to clean up any trash found on the school grounds. As it turns out, the strategy is moderately successful; fewer students are tardy to class. Which of the following concepts from operant conditioning is best illustrated by the school’s strategy?

Mrs. French is implementing a system to encourage “on-task” behavior when her students are doing seat work. She has a timer that “beeps” every five minutes. If, each time the timer beeps, all the students are conscientiously working, the class is given free time to play games and work at the computer the last half hour of the day. Of the following, the best description of Mrs. French’s technique would be called:

Using the CPT manual, assign the appropriate code for the following case:  The patient consented to cystourethroscopy with possible bladder tumor removal. After the endoscope was inserted through the urethra, the bladder was entered. A lesion approximately 3.0 cm in size was identified in the bladder. This was resected and taken out through the scope. Minimal bleeders were cauterized. The remainder of the bladder was normal in appearance. The cystoscope was removed. CPT Code