Latest Questions & Answers

Q: In the article “Material Culture as Memory: Combs and Cremations

In the article “Material Culture as Memory: Combs and Cremations in Early Medieval Britain” (Early Medieval Europe, Vol. 12, Issue 2, pp. 89–128), H. Williams discussed the frequency of cremation buri...

Q: In the article “Distribution of Oxygen in Surface Sediments from Central

In the article “Distribution of Oxygen in Surface Sediments from Central Sagami Bay, Japan: In Situ Measurements by Microelectrodes and Planar Optodes” (Deep Sea Research Part I: Oceanographic Researc...

Q: The following table provides the daily charges, in dollars, for

The following table provides the daily charges, in dollars, for a sample of 15 hotels and motels operating in South Carolina. The data were found in the report South Carolina Statistical Abstract, spo...

Q: In the special report “Mousetrap: The Most-Visited Shoe

In the special report “Mousetrap: The Most-Visited Shoe and Apparel E-tailers” (Footwear News, Vol. 58, No. 3, p. 18), we found the following data on the average time, in minutes, spent per user per m...

Q: The Bureau of Labor Statistics publishes information on average annual expenditures by

The Bureau of Labor Statistics publishes information on average annual expenditures by consumers in the Consumer Expenditure Survey. In 2010, the mean amount spent by consumers on nonalcoholic beverag...

Q: A curve has area 0.613 to the left of 65

A curve has area 0.613 to the left of 65 and area 0.287 to the right of 65. Could this curve be a density curve for some variable? Explain your answer.

Q: Prozac (fluoxetine hydrochloride), a product of Eli Lilly and Company

Prozac (fluoxetine hydrochloride), a product of Eli Lilly and Company, is used for the treatment of depression, obsessive–compulsive disorder (OCD), and bulimia nervosa. An issue of the magazine Arthr...

Q: The following table displays finishing times, in seconds, for the

The following table displays finishing times, in seconds, for the winners of fourteen 1-mile thoroughbred horse races, as found in Thoroughbred Times. a. use Table III in Appendix A to construct a nor...

Q: CTIA–The Wireless Association collects data on cell phones and publishes

CTIA–The Wireless Association collects data on cell phones and publishes the results in Semi-annual Wireless Survey. A sample of 15 monthly cell-phone bills gave the following data (to the nearest dol...

Q: In 1905, R. Pearl published the article “Biometrical Studies

In 1905, R. Pearl published the article “Biometrical Studies on Man. I. Variation and Correlation in Brain Weight” (Biometrika, Vol. 4, pp. 13–104) in which he studied the brain weights of Swedish mal...