For the t-test, the population’s standard deviation is ______.

a. not known
b. known
c. not relevant
d. not sure


Ans: a

Education

You might also like to view...

Instead of studying for a big exam the next day, a group of students instead decided to go see a movie. When questioned about why they were going to the movie instead of studying, Ralph explained that "Going to the movie was a way of helping the mind to relax, and in fact, by going to the movie, they were going to make their study time later more effective because of the improved mood that they

will be in. So by not going to the movie they were actually hurting their grades.". From the groupthink perspective, this is best described as an example of ____. a. rationalization b. feeling unanimous c. feeling invulnerable d. discussion enforcement

Education

Strategies for teaching ELLs include all of the following except

a. using show-and-tell activities to develop oral proficiency. b. providing translations alongside English texts. c. maintaining an English-only reading environment. d. learning together special words in several languages spoken by classmates.

Education

Why is the Pickering v. Board of Education decision significant?

a. Because it was the first time that the U.S. Supreme Court held that teachers have immunity when speaking out against illegal activities that occur in a public school. b. Because it was the first time that the U.S. Supreme Court held that teachers have no rights under the First Amendment in public schools. c. Because it was the first time that the U.S. Supreme Court held that the First Amendment does not apply to public schools. d. Because it was the first time the U.S. Supreme Court balanced the interests of the teacher in speaking about a matter of public concern and the interests of an employer in promoting efficiency in the school. e. Because it was the first time that the U.S. Supreme Court held that school officials have immunity from any lawsuits involving the First Amendment.

Education

What is paraphrasing?

a. Restating an author’s words b. Quoting an author’s words verbatim c. Breaking down a quotation into sections d. Rewording a sentence to make it shorter

Education