以下哪个统计量指标不用于描述数据集的离散程度。
A: Variation
B: Standard Deviation
C: Range
D: Geometric Mean
A: Variation
B: Standard Deviation
C: Range
D: Geometric Mean
D
举一反三
- When measuring the dispersion of the sample mean, the statistics to be used are ( ) . A: Coefficient of variation B: The standard deviation C: Standard deviation of the mean D: Range value
- B1型题 表示正态分布的资料中数据的离散程度最常用的指标为（） A: mean B: vanance C: percentile D: standard deviation E: coefficient of variation
- Given the following information: Standard deviation = 8 Coefficient of variation = 64% The mean would then be
- 以下可用于描述计量资料离散程度的指标是
- 描述数据离散程度的统计指标
内容
- 0
The standard error of the mean is never larger than the standard deviation of the population.
- 1
可用于描述一组计量资料离散程度的指标是（）。
- 2
Which of the following about the normal distribution is NOT true? A: Theoretically, the mean, median, and mode are the same B: About 68% of the observations fall within ±1 standard deviation from the mean C: Its parameters are the mean, μ, and standard deviation, σ D: It is a discrete probability distribution.
- 3
变异系数是描述计量数据分布的相对离散程度的指标。
- 4
Presenting as mean ± standard deviation, the results were analyzed with SPSS 23.