Behavioral Sciences STAT

Mathematics

Quiz 6 :
Using Probability to Make Decisions About Data

Quiz 6 :
Using Probability to Make Decisions About Data

Showing 1 - 20 of 54
Next Quiz
arrow
What is the essence of all inferential statistics?
Free
Multiple Choice
Answer:

Answer:

D

arrow
How is the relative frequency of an event defined?
Free
Multiple Choice
Answer:

Answer:

C

arrow
An event's relative frequency in the population equals
Free
Multiple Choice
Answer:

Answer:

D

arrow
Which of the following best describes knowing the relative frequency of every possible event in a population?
Multiple Choice
Answer:
arrow
When rolling a pair of fair dice, the probability of rolling a total point value of "7" is 0.17.If you rolled a pair of dice 1,000 times and the point value of "7" appeared 723 times, what would you probably conclude?
Multiple Choice
Answer:
arrow
Which of the following accurately describes a theoretical probability distribution?
Multiple Choice
Answer:
arrow
What do we call the portion of the sampling distribution in which values are considered too unlikely to have occurred by chance?
Multiple Choice
Answer:
arrow
What is the purpose of the critical value?
Multiple Choice
Answer:
arrow
What is the critical value?
Multiple Choice
Answer:
arrow
Which of the following is correct regarding means falling within the region of rejection when the critical values are ±1.96?\pm 1.96 ?
Multiple Choice
Answer:
arrow
Which of the following is not true of the criterion?
Multiple Choice
Answer:
arrow
What can we conclude when the absolute value of a z-score for a sample mean is larger than the critical value?
Multiple Choice
Answer:
arrow
What can you conclude about a sample mean falling within the region of rejection?
Multiple Choice
Answer:
arrow
A study about the college aptitude of seniors at North City High School has resulted in a sample mean with a corresponding z-score of −2.00.If the critical value for the region of rejection is ±1.96\pm 1.96 , what is the correct conclusion?
Multiple Choice
Answer:
arrow
Which of the following is not a step when deciding whether or not a population is being represented?
Multiple Choice
Answer:
arrow
When a z-score is not in the region of rejection, we should
Multiple Choice
Answer:
arrow
A study about the college aptitude of seniors at South City High School has resulted in a sample mean with a corresponding z-score of +1.89.If the critical value for the region of rejection is ±1.96\pm 1.96 , what is the correct conclusion?
Multiple Choice
Answer:
arrow
When +1.645 is used as the critical value instead of ±1.96 and the criterion probability is 0.05 in both cases,
Multiple Choice
Answer:
arrow
When does sampling error occur?
Multiple Choice
Answer:
arrow
________tries to ensure that every member of a given population has an equal chance of inclusion in a given study.
Multiple Choice
Answer:
Showing 1 - 20 of 54
Next Quiz