Thumbs up if you can help with these three easy questions 5. A particular t dist

Question

Thumbs up if you can help with these three easy questions

5. A particular t distribution is always specifled by: 0 the size of the sample used. its degrees of freedom. its mean and standard deviation. the standard error of the statlstlc. 6. Which of the followiri is a condition for using the &distribution; to calculate a confidence inter val estimale of the population mean? O All of the answers are correct The popilation is Normal or the sample size is sufficiently large. O The population standard deviation is unknown. The sample data are an SRS 7. Sures on the Math SAT are believed to be Normally distributed with menu. The scores ol a randur , sam ple ol seven students who recently took the e amare 550 O20 480, 570 690, 750 and O. Given hat he sample average score is 594.29 and the standard deviation of the sample scores is 98.80, the 90% confidence interval for ? is: 0 (566.86, 621.71) (502.91, 685.67). (532.86, 655./1). (S21.3, 666.85)

Explanation / Answer

Solution would be

5) It's degree of freedom

6) Option B. Population normal or sample size is large

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.