## PSY 325 Week 1 Quiz Recent

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.**

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**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.**