0
If a group of pupils found that if one of them scores 9 marks more in their maths test her average score is 81 but if one of them scores 3 marks less the average score is 78 how many pupils are there?
Wiki User
∙ 14y ago
group
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Why is the answer derived from an algorithm not the same as an average for example IQ scores are not an average of the subtest scores but a score derived from an algorithm?
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
Is the variance of a group of scores the same as the sum of the squared deviations or the average of the squared deviations?
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.
If you are 13 and score a 100 on IQ test is that good?
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).
A describes a particular score in terms of where it fits into the overall group of scores?
z score
The __of a group of numbers can be found by dividing the sum of a set of numbers by the number of addend?
This type of average is called the mean.
What is the average credit score by age group?
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.
Why is the answer derived from an algorithm not the same as an average for example IQ scores are not an average of the subtest scores but a score derived from an algorithm?
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
What is the average median IQ for a Sixty year old American female?
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.
A name for a group of school pupils?
students
Give you a set of scores for 15 students that would average to 66?
Chose any set of 15 numbers that total 990. This group will average 66.
What is a group of children called?
A severe pain in the neck
What is a collective noun for group of 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.
A group of children in a school?
classmates,students,pupils
Average IQ by age?
IQ scores are always compared to the age group of the test-taker. The scaling is adjusted so that the average for all age groups is always 100.
What is a sentence for norms?
I remember a time when one telephone and one TV was the norm for the average household.
Is the variance of a group of scores the same as the sum of the squared deviations or the average of the squared deviations?
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.
Is there an apostrophe in pupils classroom?
There should be an apostrophe in that phrase. If you're referring to one pupil, it's "pupil's classroom." If you're referring to a group, it's "pupils' classroom."
