Choose the correct NULL hypothesis for the given scenario. The school board is wondering about pedestrian safety in the school zone. They conduct a study to determine whether or not traffic moves at the posted limit of 25 miles per hour during the school day. A. ?≠25μ≠25?≠25μ≠25 B. ?=25μ=25?=25μ=25 C. ?⎯⎯⎯=25x¯=25?⎯⎯⎯=25x¯=25 D. ?⎯⎯⎯≠25
Choose the correct NULL hypothesis for the given scenario. The school board is wondering about pedestrian safety in the school zone. They conduct a study to determine whether or not traffic moves at the posted limit of 25 miles per hour during the school day. A. ?≠25μ≠25?≠25μ≠25 B. ?=25μ=25?=25μ=25 C. ?⎯⎯⎯=25x¯=25?⎯⎯⎯=25x¯=25 D. ?⎯⎯⎯≠25
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.5: Adding Integers
Problem 45E
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Choose the correct NULL hypothesis for the given scenario.
The school board is wondering about pedestrian safety in the school zone. They conduct a study to determine whether or not traffic moves at the posted limit of 25 miles per hour during the school day.
A. ?≠25μ≠25?≠25μ≠25
B. ?=25μ=25?=25μ=25
C. ?⎯⎯⎯=25x¯=25?⎯⎯⎯=25x¯=25
D. ?⎯⎯⎯≠25
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