Final answer:
The four general tasks for database functionality are Create, Read, Update, and Delete (CRUD). The three functions of memory are encoding, storage, and retrieval. In a statistics context, definitions include population, sample, parameter, statistic, variable, and data.
Step-by-step explanation:
The four general tasks a user needs to perform for a database to function properly are Create, Read, Update, Delete, which is represented by option C. These operations are commonly referred to in the industry as CRUD operations. They allow the user to create records in the database, read and retrieve records, update existing records, and delete records as necessary for proper database management.
In terms of memory functions, according to FIGURE 8.2, encoding involves the input of information into the memory system, storage is the retention of the encoded information, and retrieval is the process of getting the information out of memory and back into awareness, making the answer to the given question be option d. encoding, storage, and retrieval.
For the statistics exercise, within a grocery store example, the population would be all visits to the produce department, the sample is the 1,000 visits recorded, the parameter is the average money spent by all customers, the statistic is the calculation from the sample, the variable is the amount of money spent, and the data are the individual amounts spent on produce during each visit.