CompTIA
DA0-001 · Question #546
A botanist wants to know whether seedling heights planted in a nursery vary greatly. Which of the following is the best approach to use?
The correct answer is C. Computing the standard deviation of all the seedling heights. Standard deviation measures the spread of data around the mean, making it the best method to determine how much seedling heights vary.
Data Analysis
Question
A botanist wants to know whether seedling heights planted in a nursery vary greatly. Which of the following is the best approach to use?
Options
- AComputing the variance of all the seedling heights
- BComputing the mode of all the seedlings heights
- CComputing the standard deviation of all the seedling heights
- DComputing the means of all the seedling heights
How the community answered
(37 responses)- A3% (1)
- B3% (1)
- C89% (33)
- D5% (2)
Explanation
Standard deviation measures the spread of data around the mean, making it the best method to determine how much seedling heights vary.
Topics
#Standard Deviation#Measures of Spread#Data Variability#Descriptive Statistics
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