A Company Is Researching the Effectiveness of a New Web

question 111

Multiple Choice

A company is researching the effectiveness of a new web site design to decrease the time to access a website. Five web site users were randomly selected and their times (in seconds) to access the web site with the old and new designs were recorded. The results follow. For a 0.01 significance level, what is the decision regarding the hypothesis that the training was effective in improving customer relationships?

• A) Reject the null hypothesis and conclude that the new design reduced mean access times.
• B) Reject the null hypothesis and conclude that the new design did not reduce mean access times.
• C) Fail to reject the null hypothesis and conclude that mean access times did not decrease.
• D) Fail to reject the null hypothesis and conclude that the mean access times are inaccurate.

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Definitions:

Labor Force

The total number of people who are eligible and actively looking for work, including both the employed and unemployed individuals.

Discouraged Workers

Individuals who are not actively seeking employment due to believing that no jobs are available for them or there are none for which they would qualify.

Unemployment Insurance

A government-provided benefit offering temporary financial assistance to workers who have lost their jobs through no fault of their own.

Deflation

A decrease in the general price level of goods and services in an economy over a period, leading to increased purchasing power of the currency.