5. The interquartile range is a. 0.550 b. 1.110 c. 0.690 d. 1.350 6. Which of th

Question

5. The interquartile range is a. 0.550 b. 1.110 c. 0.690 d. 1.350 6. Which of the following is NOT a property of standard normal distribution? a. It is "bell-shaped" and s c. Its "middle spread is equal to 1.33 standard deviation d. Its associated random variable (Z) has a finite range. isure of central tendency (mean, median, and mode) have the same value. 7. The sum of probabilities or proportions should be a. 0.000 b. 0.001 c 0.999 d. 1.000 hen S. The standard error of sample mean decreases w a. the sample size decreases. b. the standard deviation increases and n (sample size) is constant. c. the standard deviation decreased and n (sample size) increases. d the population size decreases 9. The probability that random variable X with normal distribution, X-N(10,4), to have a value less 14 is equal to the probability that random variable Y with normal distribution, Y-N(20, 9), to have a value greater than 14. a. True b. False It can't be answered with information given c. 10. Total number of days of hospitalization can be calculated from total number of patients hospitalized multiplied by a. median b. mode mean f the above d. Any of the above 11. Which of the following sample statistics of a quantitative (continuous) random variable can be affected by outliers? a. Mean b. Median c. Mode d. Interquartile 12. In comparing estimators (sample statistic), the estimator with a smaller standard error is more efficient (closer to population parameter) than an estimator with larger standard error. a. True b. False

Explanation / Answer

6)

option d is correct

7)

option d

8)

option c

9) false

10) mean option C

11) option a

12)option A

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

---

---

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