Practice Questions_Chapter 3 Q.pdf - QBA 241 Quantitative...

QBA 241 Quantitative Business Analysis
MTH 101 Statistics
MTH 195 Applied Statistics
Practice Questions
Chapter 3: Descriptive Statistics: Numerical Measures
True or False
1. The median is said to be resistant to extreme values.
2. The range of the measurement is the largest measurement plus the smallest measurement. 3. In a symmetric population, the median equals the mode. 4. If there are seven classes in a frequency distribution, then the fourth class will always contain
the median.
5. Z-score is often used as a measure of risk.
1
Explanation: Z-score is used to measure a measurement's distance from the mean.
Multiple-choice Questions