Asked by Talha Munir on Jul 11, 2024
Verified
In a particular large school system, the average IQ of elementary school children is 105 and the standard deviation is 15. A sample of 81 children is randomly selected from elementary schools within the system.
Find the mean of the sampling distribution of 
.
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Find the standard deviation.
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What is the probability that the average IQ of this sample is below 108?
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Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how much the values in a data set differ from the mean.
Elementary School
An educational institution where children receive the first stage of compulsory education known as primary or elementary education.
- Ascertain the central value and spread for populations of sampled data.
- Implement statistical procedures to quantify the probabilities pertaining to sampling distributions.
Verified Answer
KG
Learning Objectives
- Ascertain the central value and spread for populations of sampled data.
- Implement statistical procedures to quantify the probabilities pertaining to sampling distributions.