Preferences between tap water and bottled water

Reference no: EM131798011

Concerned with the increase of plastic water bottles in landfills, a leading environmentalist wants to determine whether there is any difference in taste between the local tap water and the leading bottled water. She randomly selects 14 consumers and conducts a blind taste test. She asks the consumers to rank the taste on a scale of one to five (with "five" indicating excellent taste). The sample results are shown in the accompanying table and are also available on the text website, labeled Water.

125_sample results.png

a. Specify the competing hypotheses to determine whether there are significant differences in preferences between tap water and bottled water.

b. Calculate the value of the test statistic.

c. Calculate the p-value.

d. At the 5% significance level, what is the conclusion? Do the results indicate that significant differences exist in preferences?

Reference no: EM131798011

Questions Cloud

Based on recruitment and retention of employees : Describe why a healthcare organization may select Lag the market as part of their compensation program based on recruitment and retention of employees?

Determine which plan result in higher earnings per share : Analyze First Bank Financial Services situation to determine which plan will result in higher earnings per share

Identify specific key aspects of each painting that fit : From the summaries of the Baroque style's features in our class text, identify specific key aspects of each painting that fit the Baroque style.

What was the average annual growth rate of dividends : A firm's dividends have grown over the last several years. 9 years ago the firm paid a dividend of $1. Yesterday it paid a dividend of $7.

Preferences between tap water and bottled water : a. Specify the competing hypotheses to determine whether there are significant differences in preferences between tap water and bottled water.

Costs of the economic order quantity : What is the year total and costs of the Economic order quantity. FYI this isn’t to indluce the annual fee.

What will chun income statement for the year ended : During 2010, Chun Book Store paid $487,000 for land and built a store in Akron. What will Chun's income statement for the year ended December 31, 2010

Can explain the development and purpose of public relations : As the director of the Public Relations Department at ACME Widget Company, your job is to ensure that ACME maintains its positive image in the public eye.

Determine the effect of transaction on minis financial posit : Determine the effect of transaction on Minis financial position, The agreement met all three conditions to be considered an outright sale

User Account

All Pages