Which measure of scale has a true zero point as the origin?
A) Nominal scale.
B) Ratio scale.
C) Ordinal scale.
Answer: B
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Statistical Concepts and Market Returns
- The harmonic mean of 3, 4, and 5 is:
- Which of the following is most accurate regarding a distribution of returns that has a mean greater than its median?
- A distribution of returns that has a greater percentage of small deviations from the mean and a greater percentage of extremely large deviations from the mean compared to a normal distribution:
- The annual returns for FJW's common stock over the years 2003, 2004, 2005, and 2006 were 15%, 19%, -8%, and 14%.
- For a skewed distribution, what is the minimum percentage of the observations that will lie between ±2.5 standard deviations of the mean based on Chebyshev's Inequality?
- Assuming that the distribution of XYZ stock returns is a sample, what is the sample standard deviation?
- Assuming that the distribution of XYZ stock returns is a sample, the sample variance is closest to:
- Assuming that the distribution of XYZ stock returns is a population, what is the population standard deviation?
- Assuming that the distribution of XYZ stock returns is a population, what is the population variance?
- What is the mean absolute deviation for XYZ stock returns?
- What is the range for XYZ stock returns?
- What is the mode of the returns for XYZ stock?
- What is the median return for XYZ stock?
- What is the arithmetic mean return for XYZ stock?
- The relative frequency of the second interval is:
- The sample size is:
- The number of intervals in this frequency table is:
- The intervals in a frequency distribution should always have which of the following characteristics? The intervals should always:
- In a normal distribution, the:
- In a negatively skewed distribution, what is the order (from lowest value to highest) for the distribution's mode, mean, and median values?
- In a positively skewed distribution, the:
- If a distribution is positively skewed, then generally you could say:
- Twenty Level I CFA candidates in a study group took a practice exam and want to determine the distribution of their scores. When they grade their exams they discover that one of them skipped an ethics question and subsequently filled in the rest of his answers in the wrong places, leaving him with a much lower score than the rest of the group. If they include this candidate's score, their distribution will most likely:
- If a distribution is skewed:
- Which of the following statements regarding skewness is least accurate?