A Company Is Researching the Effectiveness of a New Website

question 4

Multiple Choice

A company is researching the effectiveness of a new website design to decrease the time to access a website. Five website users were randomly selected,and their times (in seconds) to access the website with the old and new designs were recorded. To compare the times,they computed new website design time − old website design time. The results are shown here. 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 the mean access times.
• B)Reject the null hypothesis and conclude that the new design did not reduce the mean access times.
• C)Fail to reject the null hypothesis.
• D)Fail to reject the null hypothesis and conclude that the mean access times are inaccurate.

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Definitions:

Positive Output

The production of a quantity greater than zero, indicating active operation or production levels in a business or economy.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the total output, indicating the average cost per unit of output.

Marginal Cost Curve

A graphical representation showing how the cost to produce one additional unit changes with the level of production.

Rising

Often refers to the increase in value, quantity, or level of something over time, frequently used in the context of prices, temperatures, or other measurable factors.