Two samples of 8 high school seniors each has been matched on IQ before beginning an experiment in learning words in a fictitious anguage. They were then allowed 20 minutes of study the meaning of the words, after which they were tested for the number of words learned. Group A studied in pairs, one student reading the words to other, the students Group B studied alone. The following table shows the results: Group A Group B 20 25 13 15 15 20 10 15 18 16 10 11 20 15 12 20

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Two samples of 8 high school seniors each has been matched on IQ before beginning an experiment in learning words in a fictitious
language. They were then allowed 20 minutes of study the meaning of the words, after which they were tested for the number of
words learned. Group A studied in pairs, one student reading the words to other, the students Group B studied alone. The following table
shows the results:
Group A
Group B
20
25
13
15
15
20
10
15
18
16
10
11
20
15
12
20
Transcribed Image Text:Two samples of 8 high school seniors each has been matched on IQ before beginning an experiment in learning words in a fictitious language. They were then allowed 20 minutes of study the meaning of the words, after which they were tested for the number of words learned. Group A studied in pairs, one student reading the words to other, the students Group B studied alone. The following table shows the results: Group A Group B 20 25 13 15 15 20 10 15 18 16 10 11 20 15 12 20
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