A researcher had calculated the sample chi square test statistic ...

[Kikoku]

A researcher had calculated the sample chi square test statistic to be equal to 2 = 7.71 . For an alpha level of 0.10 and 4 degrees of freedom, the critical value of the chi square statistic is 7.78 . The appropriate conclusion is that the
 a. sample result is likely to be attributed to chance alone.
  b. null hypothesis should not be rejected.
  c. null hypothesis should be rejected.
  d. Both a and b.
  e. alternative hypothesis is true.

Question 2

A researcher calculates a chi square test statistic of 8.56 . At  = .05 and  = 3, the critical value of the chi square statistic is 7.81 . What is the appropriate statistical conclusion?
 a. Reject the null hypothesis.
  b. Can't determine; not enough information given.
  c. Fail to reject the null hypothesis.
  d. Reject the alternative hypothesis.
  e. Conclude that the null hypothesis is true.

[tofugiraffe]

Answer to Question 1

D

Answer to Question 2

a