Measures of central tendency and dispersion

Which of the following are measures of central tendency

• mean

• median

• mode

• range

• Standard deviation

Which of the following are measures of dispersion

• mean

• median

• mode

• range

• Standard deviation

add up all of the scores and divide by total number of scores

• Mean

• Median

• Mode

• Range

The middle value in a list of data. All data items must be ordered and the central value

• Mean

• Median

• Mode

• Range

The most common value.

• Mean

• Median

• Mode

• Range

Take the lowest value away from the highest value and (usually) adding 1.

• Mean

• Median

• Mode

• Range

In the exam, you will not be asked to calculate the standard deviation

• true

• false

Which one is more precise as it includes all of the data values

• SD

• Range

Which of the following cannot be distorted by extreme values

• standard deviation

• Median

• Mean

Which measures how far scores vary and differ from one another

• Measures of central tendency - Mean median and mode

• Measures of dispersion- Range and SD