Descriptive Statistics Quiz

Which of the following is NOT a measure of Central Tendency?

• Mean

• Median

• Mode

• Range

Which of the following is NOT a measure of variation?

• How similar the scores are

• How diverse the scores are

• The average value of scores

• The reliability of scores

What would be the expected score range if the basketball player's scores were highly variable?

• 13 to 17 points

• 5 to 25 points

• 10 to 20 points

• 15 to 20 points

If the range of a dataset is 12 and the highest score is 20, what is the lowest score?

What is the highest value in the given data set: 3, 4, 3, 5, 8, 2, 3, 9, 3?

• 5

• 8

• 9

• 10

What is the lowest value in the given data set: 3, 4, 3, 5, 8, 2, 3, 9, 3?

• 2

• 3

• 4

• 5

What does a low standard deviation indicate about the scores in a sample?

• Scores are very close to the mean

• Scores are widely spread out from the mean

• Scores are all equal

• Scores are all zero

What is the primary use of standard deviation in statistics?

• To calculate the mean

• To measure the variability of scores

• To find the median

• To determine the mode

What does a bell-shaped curve indicate about the distribution of scores?

• Scores are evenly distributed.

• Scores are symmetrically distributed around the mean.

• Scores are skewed to one side.

• Scores are clustered at the extremes.