A sample of 196 bags of sugar produced by Domain sugar producers showed an average of 2 pounds and 2 ounces with a standard deviation of 7 ounces
a. At 95% confidence, compute the margin of error and explain what it shows.
b. Determine a 95% confidence interval for the weight of the population of bags of sugar produced by the company. Give the answer in ounces and at least two significant digits.
c. The bags of sugar produced are supposed to contain 2 pounds of sugar, but the company allows 2% higher or lower than the 2 pounds. Have they reached their desired goal? Explain why or why not by giving numerical facts.
a. 0.98
b. 33.02 to 34.98 ounces
c. No, the margin of error, 0.98, is larger than the allowable margin of (.02)(32) = 0.64.
You might also like to view...
Children are difficult subjects for market researchers because they have poor recall and often do not understand the questions they are asked. This brings into question the ________ of the survey
A) flexibility B) sampling C) responsiveness D) reliability E) representativeness
An innovative research trend involves examining ________, which are clusters of integrated touchpoints that consumers experience before, during, and after using a service.
A. Customer journeys B. Lost customer maps C. Process checkpoint evaluations D. Hierarchical needs matrices E. Customer panels
The European Data Protection Directive prohibits the transfer of PII to organizations or countries that do not have similar privacy protection policies
Indicate whether the statement is true or false
People are hired (if necessary) and trained during the ________ step of the SDLC
A) system definition B) requirements analysis C) component design D) implementation