1) "Three sets of five mice were randomly selected to be placed in a standard maze but with different color doors. The response is the time required to complete the maze as seen below. The study was performed the observe the effect of door color on response time. What is the value of F-statistic (F-ratio)? Red: 9, 11, 10, 12, 16, Green: 19, 20, 24, 16, 32, Black: 7, 6, 8, 15, 9"

a) 12.645

b) 6.93

c) 20.0142

d) 1

2) "If x = 14 , population mean = 5.6 and population standard deviation = 1.5 , the corresponding z value will be "

a) 5.6

b) 11.6

c) 14

d) answer not given

3) In a standard normal distribution the probability given in the table corresponding the z value 0.35 is

a) 0.6368

b) 0.6358

c) 0.6332

d) answer not given

4) Suppose height of all lama antelope found in South America is normally distributed with mean is 42 inches and standard deviation is 4. A random sample of 12 animals is drawn from this population. What is the probability that the sample standard deviation is greater than 1.2 inches?

a) between 97.5% and 99%

b) between 0.5% and 0.01%

c) between 10 % and 90%

d) .between 95% and 97.5%

5) "Long term statistics tell us, that the chance for passing the final statistics exam is 0.3. Let us consider a class of 25 students. What is the chance that exactly 3 students of that particular class will pass the final statistics exam?"

a) 0.0534

b) 0.02427

c) 0.03434

d) 0.02345