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The U.S. Energy Administration reported that the mean price for a gallon of regular gasoline in the United States was $\$ 2.357($ S.S. Energy Administration, January $30,2006) .$ Data for a sample of regular gasoline prices at 50 service stations in the Lower Attantic states are contained in the data file named Gasoline. Conduct a hypothesis test to determine whether the mean price for a gallon of gasoline in the Lower A tlantic states is different from the national mean. Use $\alpha=.05$ for the level of significance, and state your conclusion.

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There is not sufficient evidence to support the claim of a significant difference.

Intro Stats / AP Statistics

Chapter 9

Hypothesis Tests

Confidence Intervals

Hypothesis Testing with One Sample

Hypothesis Testing with Two Samples

Cairn University

Idaho State University

Boston College

Lectures

0:00

02:43

The America Automobile Ass…

02:28

The U.S. Energy Informatio…

04:59

The Energy Information Adm…

03:47

NBC TV news, in a segment …

Price of Unleaded Gasoline…

08:19

According to the National …

01:56

07:34

In December $2004,$ the av…

03:07

02:13

A recent study of 50 self-…

01:58

In January $2011,$ the nat…

No transcript available

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