Asked by Lesley Horcasitas on Jul 02, 2024
Verified
In the formula for calculating the standard deviation,what does the Greek letter Σ represent?
A) summation
B) sample size
C) mean score for group
D) individual scores
Summation
The process of adding together a sequence of numbers or other quantities to find their total.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, indicating how spread out the values are.
Greek Letter
Symbols used in mathematics, science, and engineering to denote variables, constants, and special functions.
- Gain familiarity with the mathematical notation and formulas pertinent to variability measures.
Verified Answer
PW
PRATYAKASH WADHWA7 days ago
Final Answer :
A
Explanation :
The Greek letter Σ represents summation, which means to add up a set of values. The formula for calculating the standard deviation involves taking the square root of the sum of the squared differences between each data point and the mean. The summation symbol is used to represent this process of adding up all these squared differences.
Learning Objectives
- Gain familiarity with the mathematical notation and formulas pertinent to variability measures.