Applicants' Grades The Grades of a Sample of 10 Applicants,selected at Random

question 58

Short Answer

Applicants' Grades
The grades of a sample of 10 applicants,selected at random from a large population,are 71,86,75,63,92,70,81,59,80,and 90. ​ ​
-{Applicants' Grades Narrative} Compute the sample variance.

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Definitions:

Clever Hans

Clever Hans was a horse that was claimed to be able to perform arithmetic and other intellectual tasks, later found to be responding to subtle cues from his handler.

Arithmetic

The branch of mathematics dealing with the properties and manipulation of numbers, including operations like addition, subtraction, multiplication, and division.

Cues

Signals or stimuli that cause a response or direct attention, used in various contexts including psychology, communication, and behavior analysis.

ESP

Extrasensory perception, a claimed ability to gain information through means other than the known human senses.