Rmh Exam Study
Study quiz for RMH in random order.
For section 3
- 1.
A parametric test is used for
- A.
Interval data
- B.
Nominal data
- C.
Ratio data
- D.
Ordinal data
Correct Answer(s)
A. Interval data
C. Ratio data -
- 2.
Non parametric tests are used for
- A.
Interval data
- B.
Nominal data
- C.
Ratio data
- D.
Ordinal data
Correct Answer(s)
B. Nominal data
D. Ordinal data -
- 3.
Which of the following is a parametric test?
- A.
Chi-Square Test
- B.
Unpaired t Test
- C.
Mann Whitney U Test
Correct Answer
B. Unpaired t Test -
- 4.
Which of the following is a non-parametric test?
- A.
Chi-Square Test
- B.
Unpaired t Test
- C.
Mann Whitney U test
Correct Answer(s)
A. Chi-Square Test
C. Mann Whitney U test -
- 5.
The degree of freedom equation changes depending on whether your using a parametric or non-parametric test. True or false?
- A.
True
- B.
False
Correct Answer
A. True -
- 6.
Which of the following is not an assumption of a parametric test?
- A.
Equal sample sizes between two groups
- B.
High 'n' values
- C.
Equal or similar variance values
- D.
Data must be presented in a table
Correct Answer
D. Data must be presented in a table -
- 7.
A test is called 'robust'. What does this refer to?
- A.
The scores of one group are not correlated or related to the scores of any other group
- B.
Represents statistics describing the actual state of the population
- C.
The extent to which a test generates correct statistical decisions even when the assumptions have been violated
- D.
Expression of the number of scores in a sample that are free to vary given that the sample has a given mean
Correct Answer
C. The extent to which a test generates correct statistical decisions even when the assumptions have been violated -
- 8.
What are population parameters?
- A.
The scores of one group are not correlated or related to the scores of any other group
- B.
Represents statistics describing the actual state of the population
- C.
The extent to which a test generates correct statistical decisions even when the assumptions have been violated
- D.
Expression of the number of scores in a sample that are free to vary given that the sample has a given mean
Correct Answer
B. Represents statistics describing the actual state of the population -
- 9.
What is sampling error?
- A.
A bath tub full of black and white marbles
- B.
The discrepancy between the sample statistic and the actual population parameters
- C.
The collection of relevant evidence
- D.
Rejecting the null hypothesis when in fact it is still valid
Correct Answer
B. The discrepancy between the sample statistic and the actual population parameters -
- 10.
What is inferential data analysis?
- A.
The frequency distribution of a sample means drawn from a population
- B.
The exact probabilities for obtaining a sampling outcome for a specified population
- C.
The way in which we use sample data for testing hypotheses concerning populations
- D.
The process of looking for hidden meaning underpinning the discourses implicit meaning
Correct Answer
C. The way in which we use sample data for testing hypotheses concerning populations -
- 11.
When we are dealing with a single group or sample we use the
- A.
Unpaired t Test
- B.
One Sample t Test
- C.
Chi-Square Test
- D.
Mann Whitney U Test
Correct Answer
B. One Sample t Test -
- 12.
What is alpha?
- A.
A pre-set probability which Ho is either accepted or rejected
- B.
The sample size deviation
- C.
The sample size
- D.
The standard error of the mean
Correct Answer
A. A pre-set probability which Ho is either accepted or rejected -
- 13.
If t-obtained is more then t-critical
- A.
Null hypothesis should be accepted
- B.
Null hypothesis should be rejected
Correct Answer
B. Null hypothesis should be rejected -
- 14.
What is a confidence interval?
- A.
A percentage of assurance that the mean is accurate
- B.
A range of values which will contain a true population parameter
- C.
A percentage of assurance that the standard deviation is accurate
- D.
A range of values excluding the true population paramater
Correct Answer
B. A range of values which will contain a true population parameter -
- 15.
Binomial theorem can be best used for calculating sampling distributions for what scale of data?
- A.
Ratio
- B.
Interval
- C.
Ordinal
- D.
Nominal
Correct Answer
D. Nominal -
- 16.
The Chi-Square Test
- A.
Calculates the value of the statistic for the difference between the two observed mean groups
- B.
Asks if the two variables that are used to characterise populations are independent
- C.
States that there is no true difference between two groups, but rather differing is due to a sampling error
Correct Answer
B. Asks if the two variables that are used to characterise populations are independent -
- 17.
The Unpaired t test
- A.
Calculates the value of the statistic for the difference between the two observed mean groups
- B.
Asks if the two variables that are used to characterise populations are independent
- C.
States that there is no true difference between two groups, but rather differing is due to a sampling error
Correct Answer
A. Calculates the value of the statistic for the difference between the two observed mean groups -
- 18.
True or falseYou reject the null hypothesis if the computed value of x2(Chi-squared) is less than or equal to the critical value of x2 for the chosen alpha level
- A.
True
- B.
False
Correct Answer
B. False -
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Jul 30, 2011Quiz Edited by
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