Question

In: Statistics and Probability

A company sells its products online and believes that a change in the design of the...

A company sells its products online and believes that a change in the design of the website and the quality of the photos of the products it exhibits, will increase its sales.

So far, with the current design, the daily average of sales has been 9,300 UM (monetary units). Before making a decision, the company decides to do a test for 16 days, presenting its products with the new design of the website. The average sale of these 16 days, in which the new page layout is used, was 9,700 UM with a standard deviation of 1,570 UM.

There is statistically significant evidence that the new page layout increases sales. Consider a level of significance of 5%.

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