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QUESTION

QUESTION 11. What do we call a number that is generated by dividing ∑ by the N in a distribution? Mode Mean  Median  Range3 points QUESTION 21. If p < .05, then you can assume: Th

QUESTION 1

1.       What do we call a number that is generated by dividing ∑ by the N in a distribution?

Mode

Mean 

Median 

Range

3 points   

QUESTION 2

1.       If p < .05, then you can assume:

The results are significant. 

You can reject the null hypothesis. 

Results more extreme occur fewer than 5 times in 100.  

All of the above.  

3 points   

QUESTION 3

1.       A distribution with two separated peaks is a _____distribution; one that is normal is a  ______ distribution. 

Bimodal; Rectangular         

Rectangular; Bimodal          

Bimodal; Bell-Shaped        

Rectangular; Bell-shaped

3 points   

QUESTION 4

1.       Taking chance factors into account when you sample to reach conclusions about a population is a definition of ______________________________.

scales of measurement

rationalism

descriptive statistics

inferential statistics

3 points   

QUESTION 5

1.       A Spearman’s rs examines correlations between ranked data. 

 True

 False

3 points   

QUESTION 6

1.       In terms of regression, a correlation coefficient of 1.00 allows that there may be a cause and effect relationship; a correlation coefficient of .00 indicates that there is no cause and effect relationship. 

 True

 False

3 points   

QUESTION 7

1.       As a general rule, quantitative research articles are shorter in length because of their deductive approach and use of numbers to express relationships. 

 True

 False

3 points   

QUESTION 8

1.       A researcher conducted an ANOVA, and the data indicated that there were significant differences between the groups (p < .01).  The researcher should conduct a series of independent sample t-tests to determine where the differences in the groups occur. 

 True

 False

3 points   

QUESTION 9

1.       In general, it is always important to remember the questions that are asked in any study you perform. Virtually everything you do from writing the research design to writing the study’s implications is dictated by the research questions. 

 True

 False

3 points   

QUESTION 10

1.       An independent samples t-test is a nonparametric test because it features means and standard deviations.

 True

 False

3 points   

QUESTION 11

1.       This distribution occurs when the mean, median, and mode are the same.

4 points   

QUESTION 12

1.       For what purpose do scholars use a Pearson’s Product Moment r?

4 points   

QUESTION 13

1.       A researcher computes an independent sample t-test and determines that p < .05.  What does this mean?

4 points   

QUESTION 14

1.       Describe parametric tests.  

4 points   

QUESTION 15

1.       Describe the ANOVA (One way

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