Statistics in Assessment

Which of the following indicates how compressed or expanded the distribution of scores is?

• Measures of position

• Measures of central tendency

• Measures of correlation

• Measures of variability

What will be the most likely distribution if a class is composed of bright students?

• Platykurtic

• Skewed to the right

• Skewed to the left

• Leptokurtic

Most of the students who took the examination got scores above the mean. What is the graphical representation of the score distribution?

• Normal Curve

• Mesokurtic

• Skewed to the left

• Skewed to the right

Which of the following statements is true about bell-shaped curve distribution?

• Most of the scores are low

• The scores are normally distributed

• There are more low scores than high scores

• There are more high scores than low scores

Standard deviation is to variability as mode to?

• Correlation

• Discrimination

• Central Tendency

• Level of difficulty

If teacher gets the difference between the highest score and the lowest score, he obtains the __________________.

• Range

• Standard Deviation

• Mean

• Index of difficulty

Which of the following measures is more affected by extreme score?

• Quartile

• Median

• Mode

• Mean

What does zero standard deviation mean?

• The students’ scores are the same

• 50% of the students obtained zero

• More than 50% of the students obtained zero

• Less than 50% of the students obtained zero

What can be said about a given score distribution if the mean, median, and mode are all equal?

• The score distribution is normal

• The score distribution is positively skewed

• The score distribution is negatively skewed

• The score distribution is non-normal

Standard deviation: Variability; Mean: ____________.

• Discrimination

• Correlation     

• Level of Difficulty

• Central Tendency