Biology, 09.10.2019 05:00, 21hendlill

2. brittany wanted to find out which wheels were best for her skateboard. she purchased 4 sets of new

wheels of different brands. she and a friend set up a course on her driveway. brittany rode through

the course 5 times on each set of wheels. her friend timed her with a stopwatch and recorded the

times. they averaged the times for each brand of wheels.

a. independent variable

b. dependent variable -

c. experimental group -

d. control group -

e. constants -

Answers: 1

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2. brittany wanted to find out which wheels were best for her skateboard. she purchased 4 sets of ne...