1. Is trial an act that has several different possible outcomes?
Answer
Correct Answer:
True
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2. _____ is known as a prediction, grounded in logic, about whether or not a certain event will occur.
Answer
Correct Answer:
Theoretical prediction
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3. _____ is defined as the outcome of interest in a trial.
Answer
Correct Answer:
Success
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4. _____ is a distribution of z scores. The curve is symmetric and unimodal and has a mean of zero, a standard deviation of 1.00, and an area of 1.00.
Answer
Correct Answer:
Standard normal curve
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5. Is restricted multiplication rule for independent events a rule of multiplication that allows the probability that two events will both occur to be calculated as the product of each event’s probability of occurrence: that is, p(A and B) = p(A) · p(B)?
Answer
Correct Answer:
True
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6. _____ is known as the likelihood that a certain event will occur.
Answer
Correct Answer:
Probability
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7. _____ is defined as logical premises that form a set of predictions about the likelihood of certain events or the empirical results that one would expect to see in an infinite set of trials.
Answer
Correct Answer:
Probability theory
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8. _____ is a table or graph showing the entire set of probabilities associated with every possible empirical outcome.
Answer
Correct Answer:
Probability distribution
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9. Is normal curve a distribution of raw scores from a sample or population that is symmetric and unimodal, and has an area of 1.00. Normal curves are expressed in raw units and differ from one another in metrics, means, and standard deviations?
Answer
Correct Answer:
True
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10. _____ is known as the field of statistics in which a descriptive statistic derived from a sample is employed probabilistically to make a generalization or inference about the population from which the sample was drawn.
Answer
Correct Answer:
Inferential statistics
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11. _____ is defined as any outcome other than success or the event of interest.
Answer
Correct Answer:
Failure
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12. _____ is symbolized !, the mathematical function whereby the first number in a sequence is multiplied successively by all numbers below it down to 1.00.
Answer
Correct Answer:
Factorial
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13. Is f Distribution the sampling distribution for ANOVA. The distribution is bounded at zero on the left and extends to positive infinity; all values in the F distribution are positive?
Answer
Correct Answer:
True
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14. _____ is known as a numerical result from a sample, such as a mean or frequency. Also called an observed outcome.
Answer
Correct Answer:
Empirical outcome
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15. _____ is defined as the total number of ways that a success r can occur over N trials.
Answer
Correct Answer:
Combination
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16. _____ is a trial with exactly two possible outcomes. Also called a dichotomous or binary variable empirical outcome.
Answer
Correct Answer:
Binomial
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17. Is binomial probability distribution a numerical or graphical display showing the probability associated with each possible outcome of a trial?
Answer
Correct Answer:
True
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18. _____ is known as the formula used to calculate the probability for each possible outcome of a trial and to create the binomial probability distribution.
Answer
Correct Answer:
Binomial coefficient
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19. Which of the following statements best describes the relationship between predictions and outcomes?
Answer
Correct Answer:
They are different concepts.
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20. Which of the following provides a definition for a theoretical prediction?
Answer
Correct Answer:
A logical prediction as to whether or not an event will occur
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21. Which of the following is the outcome of a coin flip an example of?
Answer
Correct Answer:
Probability
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22. What type of statistics allows researchers to bridge the gap between populations and samples?
Answer
Correct Answer:
Inferential statistics
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23. Why are researchers interested in z scores that are not between –1.00 and 1.00 standard deviation from the mean?
Answer
Correct Answer:
They rarely occur and give pertinent information.
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24. Which of the following can be found in a z table?
Answer
Correct Answer:
A chart that contains the area of the curve that is between the mean and a given z score
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25. The area under the normal curve represents which of the following?
Answer
Correct Answer:
The portion of scores between two raw values
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26. What is the purpose of a z score?
Answer
Correct Answer:
To standardize scores
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27. What is the ultimate goal of binomials?
Answer
Correct Answer:
To find the p(r) value for every possible r value
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28. Which of the following letters are contained in the formula for the binomial coefficient?
Answer
Correct Answer:
N and R
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29. A curve is unimodal when it has multiple peaks.
Answer
Correct Answer:
False
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30. T Scores are used to standardize scores in the normal distribution.
Answer
Correct Answer:
False
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31. Probability is defined as the likelihood an event will occur.
Answer
Correct Answer:
True
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32. The formula for a z score is z= X – mean/S.
Answer
Correct Answer:
True
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33. Binomials are represented by the normal curve.
Answer
Correct Answer:
False
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Criminal Justice And Criminology (Statistics) MCQs | Topic-wise
