Find the p-value using Excel (not Appendix D): (Round your answers to 4 decimal places.) (a) Right-tailed test (b) Two-tailed test (c) Left-tailed test t = 1.543, d.f. = 10 t = 2.769, d.f. = 8 t = -1.934, d.f. = 28 p-value
Find the p-value using Excel (not Appendix D): (Round your answers to 4 decimal places.) (a) Right-tailed test (b) Two-tailed test (c) Left-tailed test t = 1.543, d.f. = 10 t = 2.769, d.f. = 8 t = -1.934, d.f. = 28 p-value
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![**Title: Finding p-values using Excel**
To determine the p-value for various statistical tests using Excel, follow the methodology described here. Ensure to round your answers to four decimal places for precision.
1. **Right-tailed test**
- **Test Statistic:** \( t = 1.543 \)
- **Degrees of Freedom (d.f.):** 10
- **p-value:** [Calculate using Excel functions]
2. **Two-tailed test**
- **Test Statistic:** \( t = 2.769 \)
- **Degrees of Freedom (d.f.):** 8
- **p-value:** [Calculate using Excel functions]
3. **Left-tailed test**
- **Test Statistic:** \( t = -1.934 \)
- **Degrees of Freedom (d.f.):** 28
- **p-value:** [Calculate using Excel functions]
**Calculation Instructions:**
- For the right-tailed and left-tailed tests, you can use the Excel function `T.DIST.RT(t, d.f.)` or `T.DIST.2T(t, d.f.)` for better precision depending on whether it's a one-tailed or two-tailed test.
- Input the corresponding t-value and degrees of freedom in the function to get the accurate p-value.
- Make sure to round the final p-value to four decimal places as specified.
By following these guidelines, you'll be able to determine the significance of your tests accurately using Excel without needing additional resources like Appendix D.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7b9bc12-9bec-475d-bc99-e13d2a9b76e2%2F3044e399-3a76-4b08-824e-46bf873ffeb9%2Fmklbi4h_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Finding p-values using Excel**
To determine the p-value for various statistical tests using Excel, follow the methodology described here. Ensure to round your answers to four decimal places for precision.
1. **Right-tailed test**
- **Test Statistic:** \( t = 1.543 \)
- **Degrees of Freedom (d.f.):** 10
- **p-value:** [Calculate using Excel functions]
2. **Two-tailed test**
- **Test Statistic:** \( t = 2.769 \)
- **Degrees of Freedom (d.f.):** 8
- **p-value:** [Calculate using Excel functions]
3. **Left-tailed test**
- **Test Statistic:** \( t = -1.934 \)
- **Degrees of Freedom (d.f.):** 28
- **p-value:** [Calculate using Excel functions]
**Calculation Instructions:**
- For the right-tailed and left-tailed tests, you can use the Excel function `T.DIST.RT(t, d.f.)` or `T.DIST.2T(t, d.f.)` for better precision depending on whether it's a one-tailed or two-tailed test.
- Input the corresponding t-value and degrees of freedom in the function to get the accurate p-value.
- Make sure to round the final p-value to four decimal places as specified.
By following these guidelines, you'll be able to determine the significance of your tests accurately using Excel without needing additional resources like Appendix D.
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