Zoro inc., a consumer electronics company, does not store any of its materials in the warehouse. instead, the company's procurement department orders small quantities of materials as and when they are required. the vendors supply the ordered material directly to the company's manufacturing unit a day or two before the production starts. this arrangement zoro inc. to reduce costs and boost efficiency. this scenario best illustrates . mass customization
b. crowdsourcing
c. just-in-time inventory management
d. continuous manufacturing systems
e. contract manufacturing

The food services division of cedar river amusement park inc. is studying the amount families who visit the amusement park spend per day on food and drink. a sample of 40 families who visited the park yesterday revealed they spent the following amounts: see worksheet 1 for data and answer the following questions: a. organize the data into a frequency distribution, using seven classes and 15 as the lower limit of the first class. what class interval did you select? b. what percent of families spent less than $45? c. what percent of families spent $55 or more? d. how many families spent from $65 to 74.99?