TABLE 9-8 One of the Biggest Issues Facing E-Retailers Is the Ability

question 87

Multiple Choice

TABLE 9-8
One of the biggest issues facing e-retailers is the ability to turn browsers into buyers. This is measured by the conversion rate, the percentage of browsers who buy something in their visit to a site. The conversion rate for a company's web site was 10.1% The web site at the company was redesigned in an attempt to increase its conversion rates. Samples of 200 browsers at the redesigned site were selected. Suppose that 24 browsers made a purchase. The company officials would like to know if there is evidence of an increase in conversion rate at the 5% level of significance.
-Referring to Table 9-8, the null hypothesis will be rejected if the test statistics is

• A) greater than 1.645.
• B) greater than - 1.645.
• C) less than 1.645.
• D) less than - 1.645.

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Definitions:

Current Time Series

A sequence of data points recorded or measured at successive points in time, often analyzed to forecast future values.

Rapid Reaction

The quick response or action taken in response to an event or set of circumstances.

Scatter Plot

A type of graph that illustrates the relationship between two variable quantities, with each pair of points plotted as coordinates on the Cartesian plane.

Time-Series Components

Distinct elements that constitute time-series data, typically including trend, seasonal, cyclical, and irregular components.