Knowledge Party 1 Review

The descriptive statistic that is also referred to as the average is the ______.

• median
• mode
• mean
• descriptor

Descriptive and inferential statistics work hand in hand, and which one you use and when depends on ______.

• the question you want answered
• the methods you choose for investigation
• the sample you select
• the population you choose

Inferential statistics is most often used for which of the following?

• summarizing data
• organizing data
• interpreting data
• collecting data

What is the small subset of the population from whom you collect data called?

• population
• sample
• database
• group A

Data are collected, organized, summarized, and then ______.

• described
• interpreted
• labeled
• designated

This measure of central tendency can be considered the least precise.

• median
• mode
• mean
• other

What should be used to determine central tendency?

• a correlation
• a graph
• the standard deviation
• the average

Which of the following symbols represents the individual score?

• X
• n
• N

What does the symbol M represent?

• population size
• sample size
• mean
• individual score

If you know M = 5, and the sum of scores is 20, what is n?

• 4
• .25
• 100
• need more information