In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected. The mean of the sample is determined to be 23. The number of degrees of freedom for reading the t value is a. 22 b. 23 c. 60 d. 61.
Learner's definition of INVESTIGATE 1 : to try to find out the facts about (something, such as a crime or an accident) in order to learn how it happened, who did it, etc.
Wiktionary(5.00 / 1 vote)Rate this definition: 1  explore(Verb) To seek for something or after someone. 2  explore(Verb) To examine or investigate something systematically. The committee has been exploring alternative solutions to the problem at hand. 3  explore(Verb) To travel somewhere in search of discovery.