The null hypothesis states that a. the effect of the treatment ...

[stock]

The null hypothesis states that
 
  a. the effect of the treatment is negative.
  b. the apparent relationship between variables is due to chance alone.
  c. outcomes are affected by the experimental treatment.
  d. the true relationship between variables can never be known.

Question 2

Do athletes who include imaging their success as part of their practice do better than athletes who do not include imaging? The null hypothesis is
 
  a. athletes who image do better than athletes who do not image.
  b. athletes who image do worse than athletes who do not image.
  c. athletes who image do not differ from athletes who do not image.
  d. the population mean of athletes who image is greater than the population mean of athletes who do not image.

[Kimmy]

Answer to Question 1

B

Answer to Question 2

C

[stock]

Great answer, keep it coming

[smrtceo]

Gracias!