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.
verb (used with object), intrigued, intriguing. 1. to arouse the curiosity or interest of by unusual, new, or otherwise fascinating or compelling qualities; appeal strongly to; captivate: The plan intrigues me, but I wonder if it will work. 2. to achieve or earn by appealing to another's curiosity, fancy, or interest: to intrigue one's way into another's notice.