Purchase Solution

# Hypothesis testing

Not what you're looking for?

The "Mars" division of a big auotmobile manufacturer specializes in manufacturing scooters for export. The company claims that these scooters average at least 55 miles per gallon in city driving. An independant consumer avocate road tested a sample of 25 scooters. The sample showed an average of 60 miles per gallon, with a standard deviation of 10 miles per gallon. At 0.10 level of significance, can the company's claim be rejected?

This problem is worked.

##### Solution Summary

Steps in hypothesis testing are shown.

##### Solution Preview

This company's claims cannot be rejected. You will notice that they say the scooters get AT LEAST 55 miles to the gallon ...

##### Free BrainMass Quizzes

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.