A. Perform an F-test to determine if there is evidence of a significant linear relationship between the number of wins and ERA? b. Perform a t-test to determine if there is a linear relationship between the number of wins and ERA. The regression equation is y=3+1.5x. And Sb1 = .22

Iconic memory is used when a loud thunderclap occurs during a storm. select the best answer from the choices provided t f

Snakes, dogs, and humans have a vertebral column. snakes and dogs have tails, and humans have vestigial tailbones. dogs and humans have limbs, but snakes do not. most reptiles lay eggs, but a few give birth to live young. what do these structures suggest about the evolutionary pattern between the three organisms? 1. snakes and dogs are more closely related than snakes and humans. 2. snakes and humans are more closely related than humans and dogs. 3. dogs and humans are more closely related than snakes and humans. 4. dogs, snakes, and humans share a common ancestor. 5. the early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.

At the year's end, a share of ardex industries was worth $49.50. this was $9 less than three times its value at the beginning of the year. what was the price of one share of ardex stock at the beginning of the year?