A double stem-and-leaf diagram for these data

Reference no: EM131111061

Temperature differences between the warm upper surface of the ocean and the colder deeper levels can be utilized to convert thermal energy to mechanical energy. This mechanical energy can in turn be used to produce electrical power using a vapor turbine. Let X denote the difference in temperature between the surface of the water and the water at a depth of 1 kilometer. Measurements are taken at 15 randomly selected sites i the Gulf of Mexico. These data result in the following temperatures:

22.5 23.8 23.2 22.8 10.1

23.5 24.0 23.2 24.2 24.3

23.3 23.4 23.0 23.5 22.8

a) Construct a double stem-and-leaf diagram for these data.

b) Find the sample mean, sample median, and sample standard deviation for these data.

c) Note that the starred observation in the data set is very different from the others. It is a potential outlier. Construct a box plot for these data to verify that the value 10.1 does, in fact, qualify as an outlier.

d) To see the effect of this outlier, drop it from the data set and calculate the sample mean, median, and standard deviation for the remaining 14 observations. Which measure is least affected by the presence of the outlier? Do you see why it is desirable to report both the mean and median of a data set?

Reference no: EM131111061

Questions Cloud

Consumer spending in the united states : Tweens might appear to be a very attractive market when you consider they will be buying products for years to come. But would you change your mind if you knew that baby boomers account for 50 percent of all consumer spending in the United States?

In addition to creating a simulation model : Review "Simulation Case Study: Phoenix Boutique Hotel Group" for this topic's case study, in which you provide guidance to Phoenix Boutique Hotel Group (PBHG) founder Bree Bristowe.

Construct set of hypothetical facts involving four players : Write a well-constructed factual scenario which demonstrates your working knowledge of the concepts of principal, accomplice, accessory, and accessory after the fact. First, construct the set of hypothetical facts involving (at least) the four "pl..

Economy and the general population : All residents of the United States will now pay for their health insurance through additional federal income tax. Identify the political, social and legal issues associated with such an action and assess the potential impact on both the economy a..

A double stem-and-leaf diagram for these data : c) Note that the starred observation in the data set is very different from the others. It is a potential outlier. Construct a box plot for these data to verify that the value 10.1 does, in fact, qualify as an outlier.

Compute marriage bonus or penalty : a. Compute their tax liability as a married couple. b. Compute their tax liability if they live together but are not married (not filing jointly). c. Assuming that they are married, compute their marriage bonus or penalty.

Graph the binomial distribution using a histogram : In a typical day, 31% of people in the United States with Internet access go online to get news. You randomly select five people in the United States with Internet access and ask them if they go online to get news. Find the probability that the nu..

Question regarding the purchases component of gdp : The government purchases component of GDP does not include spending on transfer payments such as Social Security. GDP does not also include the value of used goods that are resold.

Understanding of the word demographic dividend : What is the understanding of the word demographic dividend?

User Account

All Pages