Answered: 10 Identify two variables that Mrs.…

10 Identify two variables that Mrs. Sookhoo kept the Same during the experiment. Explain why it was in portant for her to keep these variables the same.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 6CST

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Question

thank you

Random assignment eliminates the effects of other variables, like soil fertility.
Studying for the test: Mrs.
Sookhoo wants to know if
student-made outlines
improve performance on
algebra tests. She prepares
two review assignments for
her students. One
Identify two variables that Mrs. Sookhoo kept the
Same during the experiment. Explain why it was
in portant for her to keep these variables the same.
10
assignment just gives a list of
exercises from the textbook.
The other requires students
to make an outline of the
ideas tht the test covers and
then gives the same list of
exercises. Each of the 28
students then took the same
A e noW WOuid randomi
50-minute test, which Mrs.
ar viel aran
Sookhoo graded herself.

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