group
it is obvious the average is not by just one person it is by a group of people so you need to ask a group of people what their IQ is and add them all up then divide them by the number you used
Given a set of n scores, the variance is sum of the squared deviation divided by n or n-1. We divide by n for the population and n-1 for the sample.
An I.Q. score of 100 means you have scored average for your age group. By definition 100 is the average score, and scores other than that relate to a deviation from the norm (100).
z score
This type of average is called the mean.
The average credit score is charted showing the relationship between age and the average credit scores. Younger people have lower credit scores than older people.
it is obvious the average is not by just one person it is by a group of people so you need to ask a group of people what their IQ is and add them all up then divide them by the number you used
You need to decide whether you want the average or the median. An average is a measure of the central tendency of a group of scores that takes into account the value of each and every score in the group. A median identifies which score is half-way between the lowest and the highest scores.
The noun in the sentence is "class," as it refers to a group of pupils.
IQ does not have a specified average by age. IQ scores are standardized to have a mean of 100, with a standard deviation of 15. This means that the average IQ score for any age group will be around 100.
Chose any set of 15 numbers that total 990. This group will average 66.
A severe pain in the neck
students
classmates,students,pupils
There is actually one, it took a bit of finding, 'a dilation of pupils'.If you are referring to students, the collective noun for students will also work: a class of pupils.
The average IQ of a fourth grader is typically around 90 to 110. IQ scores can vary, but this range is considered typical for children in this age group.
I remember a time when one telephone and one TV was the norm for the average household.