Explain how the means and standard deviations differ

Assignment Help Basic Statistics
Reference no: EM13135973

A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations. The figures for the governors were 44, 36, 52, and 40 square feet. The figures for the CEOs were 32, 60, 48, and 36 square feet. (a) Figure the means and standard deviations for the governors and for the CEOs. (b) Explain, to a person who has never had a course in statistics, what you have done. (c) Note the ways in which the means and standard deviations differ, and speculate on the possible meaning of these differences, presuming that they are representative of U.S. governors and large corporations' CEOs in general.

Reference no: EM13135973

Questions Cloud

What is the value of the standard error of the mean : What is the value of the standard error of the mean? What is the value of the confidence coefficient for a confidence interval with the indicated confidence level?
Sustainable infrastructure asset management : Marlow, Beale & Burn (2010) suggested that the lack of information, the lack of appropriate tools and the need for broader systems knowledge were key barriers to achieving a more sustainable infrastructure asset management.
Estimated to have a useful life equal to the years : After taking possession of the leased space, Kirk pays for improving the office portion of the leased space at a $140,000 cost. The improvements are paid for by Kirk on July 5, 2011, and are estimated to have a useful life equal to the 26 years re..
"erp systems and the cloud" : There has been significant media attention and hype about the potential of cloud technologies. Companies are investigating how these technologies can assist with their ERP System needs.
Explain how the means and standard deviations differ : Explain, to a person who has never had a course in statistics, what you have done. (c) Note the ways in which the means and standard deviations differ.
What is the emperical formula : An anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
Which of these benefits are taxable to al : The airline treated Al and his family to a one-week all-expenses-paid vacation at a resort near his home. This benefit was awarded because of Al’s outstanding safety record. The value of the vacation was $2,300. Which of these benefits are taxabl..
What are the three general tests : To be a qualifying child the taxpayer must meet three general tests and five specific tests. What are the three general tests?
Auditors best defense against lawsuits : The auditors best defense against lawsuits would be that..... a. The client was aware of the misstatments b. Client actions contributed c. Audit was conducted in accordance with GAAS. d. Identity of the plaintiff was not known

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal distribution of a particular machine

The thickness of metal plates made by a particular machine are normally distributed with mean of 4.3 mm and standard deviation of .0.12 mm. What is the value of c for which there is 80% probability that a metal plate has a thickness with in the in..

  Determine standardized test statistic z-corresponding area

Determine standardized test statistic z and its corresponding area. If convenient use technology. z=( ) round to two decimals. Area= ( ).

  Statistics-factor analysis

Describe a research problem that would benefit from Factor Analysis. What are the variables and what would you hope to achieve?

  Probability of a fatal accident over a lifetime

The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your rea..

  Card replacement from the deck

Cards are drawn one by one from a standard deck of 52 cards. Let X be the number of draws up to and including when the first diamond is drawn. If the cards are replaced in the deck, determine E(X). If the cards are not replaced in the deck, determ..

  Least square method

Select either the Least Squares Method, the Moving Average Method, or the Weighted Moving Average and provide step-by-step instructions you would employ to plot the associated trend line.

  How to use time series data to forecast

Identify at least TWO EXAMPLES of time series data. You may find it necessary to consider how your organization(s) have utilized time series data to "forecast".

  Find the chances of getting rain during next thirty days

The professors mentioned, he was determined to find the correct answer and make a correction during a future broadcast. What are the chances of getting 15 days of rain during the next 30 days?

  Compute sample correlation coefficient for meaning of value

The data are reported in thousands of dollars. The following data represent a ransom sample from the study. Compute the sample correlation coefficient r. Give a brief explanation of the meaning of this value.

  Find margin of error in estimating population mean

Determine the margin of error in estimating the population mean. a sample of 68 college students yields a mean annual income of $3248.

  Understanding of choosing the type of regression model

Demonstrate your understanding of choosing the type of regression model to the given data, by explaning three factors that should be taken into account in the choice between different models.

  Prepare the hypotheses and identify the type of error

What type of error would result in that case?  Respond to at least two of your classmate's postings.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd