🔠 Quizizz - Measures of Position and Dispersion

What does the term 'percentile' refer to?

• A measure of dispersion

• A statistical measurement indicating the value below which a certain percentage of observations fall

• A method to calculate the mean

• A measure of central tendency

What is Q2 also known as?

• Median

• 75th percentile

• Mode

• 25th percentile

What does the range measure?

• The average value of the dataset

• The difference between the highest and lowest values

• The middle value of the dataset

• The most frequent value in the dataset

What does variance quantify?

• The average extent to which individual data points deviate from the mean

• The difference between the highest and lowest values

• The most frequent value in the dataset

• The central value of the dataset

What is the standard deviation of a dataset if the variance is 4?

• 2

• 4

• 16

• 8

The 50th percentile is also known as the _______________.

• median

• mean

• mode

• best percentile

Dorian tossed a pair of number cubes numbered 1 through 6 ten times. Below are the sums of the numbers for each of the tosses. 5, 9, 11, 6, 5, 8, 11, 3, 12, 6

What is the value of Quartile 2?

(a)  

What is the range of the following set of numbers: 3, 8, 8, 13, 18?

• 10

• 15

• 20

• 25

If 3,200 people took the same standardized test in May and you scored in the 85th percentile, how many scores were you higher than?

• 480

• 2720

• 2875

A set of numbers has a mode of 8 and a range of 6. Which of the following could be that set?

• 2, 4, 8, 8, 14

• 5, 8, 8, 11, 13

• 8, 8, 8, 9, 14

• 6, 8, 8, 8, 12