For questions 12-14, consider the following situation and determine which match is correct for the situation. 14. The average production of peanuts in Virginia is 3000 pounds per acre. A new plant food has been developed and is tested on 60 individual plots of land. The mean yield with the new plant food is 3120 pounds of peanuts per acre, and the population standard deviation is 578 pounds. At a = 0.05, can you conclude that the average production has increased? A. right tail B. left tail C. 2 tail D. Cannot be determined 15. The average salary for public school teachers for a specific year was reported to be $39,385. A random sample of 50 public school teachers in a particular state had a mean of $41,680, and the population standard deviation is $5975. Is there sufficient evidence at the a = 0.05 level to conclude that the mean salary differs from $39,385? A. left tail B. 2 tail C. right tail D. Cannot be determined 16. A yoga facility states that its instructors have an average of at least 12.4 years' experience. In a sample of 15 instructors, the average experience was 11.2 years. The standard deviation was 2. At a a = 0.10, is the number of years' experience of the instructors really less than the taxi company claimed? A. Left Tail; T Test B. right tail; Z Test C. 2 tail; T Test D. left tail; Z Test E. None of the above 17. Nationwide, the average price house listed for sale is $250,000. A real estate executive believes this average list price is an overestimation. She checks the prices of eighty five listed houses to test her belief and finds the average price to be $255,500 with a standard deviation of $15,000. A. left tail; Z Test B. None of the above C. right tail; Z Test D. 2 tail; Z Test E. Right Tail; T Test