MM
Mashaal Masha
Mar 16, 2024
Based on a random sample from a population, a researcher estimated that the mean value of a certain variable for the population is 20.5, with an associated margin of error of 1. Which of the following is the most appropriate conclusion?
Difficulty: Medium
A:
It is plausible that the actual mean value of the variable for the population is between 19.5 and 21.5.
B:
It is not possible that the mean value of the variable for the population is less than 19.5 or greater than 21.5.
C:
Every value of the variable in the population is between 19.5 and 21.5.
D:
The mean value of the variable for the population is 20.5.
ID: 65f56ea69ae8b23fbd2c7c03