Modern Business Statistics with Microsoft Excel (MindTap Course List)
Modern Business Statistics with Microsoft Excel (MindTap Course List)
5th Edition
ISBN: 9781285433301
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: Cengage Learning
bartleby

Concept explainers

Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…
bartleby

Videos

Textbook Question
Book Icon
Chapter 3.2, Problem 29E

Air Quality Index. The Los Angeles Times regularly reports the air quality index for various areas of Southern California. A sample of air quality index values for Pomona provided the following data: 28, 42, 58, 48, 45, 55, 60, 49, and 50.

  1. a. Compute the range and interquartile range.
  2. b. Compute the sample variance and sample standard deviation.
  3. c. A sample of air quality index readings for Anaheim provided a sample mean of 48.5, a sample variance of 136, and a sample standard deviation of 11.66. What comparisons can you make between the air quality in Pomona and that in Anaheim on the basis of these descriptive statistics?
Expert Solution & Answer
Check Mark
bartleby

Trending nowThis is a popular solution!

See solution
Check out sample textbook solution
Blurred answer
Previous
Chapter 3.2, Problem 28E
Next
Chapter 3.2, Problem 30E

Chapter 3 Solutions

Modern Business Statistics with Microsoft Excel (MindTap Course List)

Ch. 3.1 - 1. Consider a sample with data values of 10, 20,...Ch. 3.1 - 2. Consider a sample with data values of 10, 20,...Ch. 3.1 - 3. Consider the following data and corresponding...Ch. 3.1 - Prob. 4ECh. 3.1 - Prob. 5ECh. 3.1 - Prob. 6ECh. 3.1 - 7. The average number of minutes Americans commute...Ch. 3.1 - Prob. 8ECh. 3.1 - Prob. 9ECh. 3.1 - Advertising Spending. Which companies spend the...
Ch. 3.1 - Prob. 11ECh. 3.1 - The Big Bang Theory, a situation comedy...Ch. 3.1 - Automobile Fuel Efficiencies. In automobile...Ch. 3.1 - The data contained in the DATAfile named...Ch. 3.1 - 15. Martinez Auto Supplies has retail stores...Ch. 3.1 - 16. The grade point average for college students...Ch. 3.1 - Prob. 17ECh. 3.1 - Prob. 18ECh. 3.1 - Annual revenue for Corning Supplies grew by 5.5%...Ch. 3.1 - Prob. 20ECh. 3.1 - Prob. 21ECh. 3.1 - Prob. 22ECh. 3.2 - 23. Consider a sample with data values of 10, 20,...Ch. 3.2 - Prob. 24ECh. 3.2 - Consider a sample with data values of 27, 25, 20,...Ch. 3.2 - Prob. 26ECh. 3.2 - Round-Trip Flight Prices. The following table...Ch. 3.2 - The Australian Open is the first of the four...Ch. 3.2 - Air Quality Index. The Los Angeles Times regularly...Ch. 3.2 - Prob. 30ECh. 3.2 - The results of Accounting Principals’ latest...Ch. 3.2 - Prob. 32ECh. 3.2 - Scores turned in by an amateur golfer at the...Ch. 3.2 - Consistency of Running Times. The following times...Ch. 3.3 - 35. Consider a sample with data values of 10, 20,...Ch. 3.3 - 36. Consider a sample with a mean of 500 and a...Ch. 3.3 - 37. Consider a sample with a mean of 30 and a...Ch. 3.3 - 38. Suppose the data have a bell-shaped...Ch. 3.3 - 39. The results of a national survey showed that...Ch. 3.3 - 40. The energy information Administration reported...Ch. 3.3 - The national average for the math portion of the...Ch. 3.3 - 42. Many families in California are using backyard...Ch. 3.3 - Prob. 43ECh. 3.3 - NCAA Basketball Game Scores. A sample of 10 NCAA...Ch. 3.3 - Prob. 45ECh. 3.4 - Consider a sample with data values of 27, 25, 20,...Ch. 3.4 - Prob. 47ECh. 3.4 - Prob. 48ECh. 3.4 - Prob. 49ECh. 3.4 - Naples Half-Marathon Times. Naples, Florida, hosts...Ch. 3.4 - Pharmaceutical Company Sales. Annual sales, in...Ch. 3.4 - Cell Phone Companies Customer Satisfaction....Ch. 3.4 - Prob. 53ECh. 3.4 - Prob. 54ECh. 3.5 - Five observations taken for two variables...Ch. 3.5 - Prob. 56ECh. 3.5 - Prob. 57ECh. 3.5 - Driving Speed and Fuel Efficiency. A department of...Ch. 3.5 - Prob. 59ECh. 3.5 - Prob. 60ECh. 3.5 - Prob. 61ECh. 3 - Americans Dining Out. Americans tend to dine out...Ch. 3 - Prob. 63SECh. 3 - Physician Office Waiting Times. The average...Ch. 3 - Prob. 65SECh. 3 - Prob. 66SECh. 3 - Work Commuting Methods. Public transportation and...Ch. 3 - Prob. 68SECh. 3 - Prob. 69SECh. 3 - Prob. 70SECh. 3 - Prob. 71SECh. 3 - MLB Team Winning Percentages. Does a major league...Ch. 3 - 73. The days to maturity for a sample of five...Ch. 3 - Prob. 74SECh. 3 - Annual Returns for Panama Railroad Company Stock....Ch. 3 - Pelican Stores, a division of National Clothing,...Ch. 3 - The motion picture industry is a competitive...Ch. 3 - The pursuit of a higher education degree in...Ch. 3 - Although millions of elephants once roamed across...
Knowledge Booster
Background pattern image
Statistics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Text book image
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
SEE MORE TEXTBOOKS
The Shape of Data: Distributions: Crash Course Statistics #7; Author: CrashCourse;https://www.youtube.com/watch?v=bPFNxD3Yg6U;License: Standard YouTube License, CC-BY
Shape, Center, and Spread - Module 20.2 (Part 1); Author: Mrmathblog;https://www.youtube.com/watch?v=COaid7O_Gag;License: Standard YouTube License, CC-BY
Shape, Center and Spread; Author: Emily Murdock;https://www.youtube.com/watch?v=_YyW0DSCzpM;License: Standard Youtube License