Question

Complete the table below.

Type of Test n df Confidence level a t-value

1. one-tailed 12 95%

2. one-tailed 15 95%

3. two-tailed 21 99%

4. two-tailed 23 95%

5. one-tailed 25 90%

6. two-tailed 16 90%

7. one-tailed 9 95%

8. two-tailed 27 99%

9. one-tailed 18 90%

10. two-tailed 20 99%

Answer 1

$$\def\arraystretch{1.5} \begin{array}{c:c:c:c:c:c} Type & n & df & Confidence & t-value \\ of\ test & & & level,\alpha & \\ \hline one-tailed & 12 & 11 & 95,0.05 & 1.795885 \\ & & & & -1.795885 \\ \hdashline one-tailed & 15 & 14 &95,0.05 & 1.76131 \\ & & & & -1.76131 \\ \hdashline two-tailed & 21 & 20 &99,0.01 & \pm 2.84534 \\ & & & & \\ \hdashline two-tailed & 23 & 22 &95,0.05 & \pm 2.073873 \\ & & & & -1.795885 \\ \hdashline one-tailed & 25 & 24 &90,0.10 & 1.317836 \\ & & & & -1.317836 \\ \hdashline two-tailed & 16 & 15 & 90,0.10 & \pm1.75305 \\ & & & &\\ \hdashline one-tailed & 9 & 8 & 95,0.05 & 1.859547 \\ & & & & -1.859547 \\ \hdashline two-tailed & 27 & 26 & 99,0.01 & \pm 2.778715 \\ & & & & \\ \hdashline one-tailed & 18 & 17 & 90,0.10 & 1.333379 \\ & & & & -1.333379 \\ \hdashline two-tailed & 20 & 19 & 99,0.01 & \pm2.860935 \\ & & & & \\ \hdashline \end{array}$$