PSY 325 Week 1 Quiz Set 1

PSY 325 Week 1 Quiz Recent

PSY 325 Week 1 Quiz Set 1

1.         Question :        Frequency polygon is to line graph as _________ is to bar graph.

2.         Question :        The relative frequency of the scores in a class interval = .25. What does that mean?

3.         Question :        How is a frequency polygon different from a bar chart?

4.         Question :        Values that indicate the relevant characteristics of a group to be studied are ___________.

5.         Question :        To calculate mean, at least ordinal data are required.

6.         Question :        Which statistic is always based on just two values? 

7.         Question :        Which statistic indicates the most frequently occurring number in a set?     

8.         Question :        A distribution with s = 4 and R = 12 is leptokurtic.

9.         Question :        Once the range is established, no additional value can make it smaller.

10.       Question :        “Class intervals” in data arrays serve what purpose?

PSY 325 Week 1 Quiz Set 2

1.         Question :        In a group of students where most are female, Mo = female.

2.         Question :        Values that indicate the relevant characteristics of a group to be studied are ___________.

3.         Question :        In statistics, a population refers to which of the following?

4.         Question :        Compared to a normal distribution, a ___________distribution appears to be “tall and skinny” whereas a __________distribution is “low and fat.”

5.         Question :        Which of the following is not a measure of central tendency?

6.         Question :        Which statistic indicates the middlemost value in a distribution?

7.         Question :        Grouping people by their ethnic group membership constitutes data of what scale?

8.         Question :        In statistics, the term average is used to signify only the mean.

9.         Question :        If there are several mathematical operations in a formula, which comes first?

10.       Question :        A distribution with s = 4 and R = 12 is leptokurtic.