Measures of central tendency and dispersion

Which of the following are examples of measures of central tendency?

• Mean

• Median

• Mode

• Range

• Standard deviation

Which of the following are examples of measures of dispersion?

• Mean

• Median

• Mode

• Range

• Standard deviation

Measures of __________ ___________ inform researchers about the average of their scores

(a)  

Measures of central tendency inform researchers about the ___________ of their scores

• Average

• Spread

Measures of (a)   inform researchers about the spread of their scores

Measures of dispersion inform researchers about the (a)   of their scores

Which descriptive statistic involves adding up all of the scores in the data set and dividing that figure by the total number of scores in the data set?

• Mean

• Median

• Mode

• Range

• Standard deviation

Which descriptive statistic involves arranging data i numerical order from lowest to highest to find the middle number?

• Mean

• Median

• Mode

• Range

• Standard deviation

Which descriptive statistic involves counting how many times each number appears in the data set to find the most common value?

• Mean

• Median

• Mode

• Range

• Standard deviation

Which descriptive statistic involves subtracting the smallest score from the largest score?

• Mean

• Median

• Mode

• Range

• Standard deviation