AN INTRODUCTION TO STATISTICS How do you decide if you should reject the null hy

Question

AN INTRODUCTION TO STATISTICS How do you decide if you should reject the null hypothesis when doing hand computations? a. You reject the null hypothesis if the obtained t value is in the critical region. b. You reject the null hypothesis if the obtained t value is outside of the critical region. How do you decide if you should reject the null hypothesis when using SPSS and doing a two-tailed test? a. Divide the Sig. value by 2 and then you reject the nullif the Sig, value is less than the alpha b. Divide the Sig, value by 2 and then you reject the null if the Sig. value is greater than the alpha c. You reject the null if the Sig. value is less than the alpha. d. You reject the null if the Sig. value is greater than the alpha. How do you decide if you should reject the null hypothesis when using SPSS and doing tailed test? a. Divide the Sig, value by 2 and then you reject the null if the Sig. value is less than the alpha b. Divide the Sig. value by 2 and then you reject the null if the Sig. value is greater than the alpha c. You reject the null if the Sig. value is less than the alpha. d. You reject the null if the Sig. value is greater than the alpha.

Explanation / Answer

1) option A is correct ' if t is in critical region

2) option C is correct ; if significance level is less than alpha

3) option A.

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