I Two Types of Possible Errors Always Exist When Testing

question 125

Multiple Choice

i. Two types of possible errors always exist when testing hypotheses-a Type I error, in which the null hypothesis is rejected when it should not have been rejected, and a Type II error in which the null hypothesis is not rejected when it should have been rejected. ii. A test statistic is a value determined from sample information collected to test the null hypothesis.
iii. The region or area of rejection defines the location of all those values that are so large or so small that the probability of their occurrence under a true null hypothesis is rather remote.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Articles and Prepositions

Words used in language to specify grammatical relationships, with articles defining specificity (a, an, the) and prepositions indicating relationships in space and time (in, on, at).

Syntax

The set of rules, principles, and processes that govern the structure of sentences in a given language, especially in terms of word order and punctuation.

Telegraphic Speech

A stage of language development in young children in which they use two-word sentences with high-content words, omitting smaller, less important ones.

Proposition

An assertion that communicates a conviction or opinion, and has the potential to be accurate or erroneous.