12B Final Exam

The mode is always equal to at least one of the values in the data set.

• True

• False

What is the second step to take when attempting to find IQR?

• Find the lower and upper quartile.

• Find the median.

• Put the list of numbers in order.

• Subtract the lower and upper quartile.

Find the interquartile range using the following.

Minimum:  1

Q1:  2.5

Median:  5

Q3:  7.5

Maximum:  9

• 5

• 4.5

• 3.5

• 6

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 21

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

A measure of variation in a set of numerical data, it is the distance between the first and third quartiles of the data set.

• Interquartile Range
• Outliers
• First Quartile
• Third Quartile

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

A swimwear company decides to select a month for its annual sale.  Find the probability that it will be June or July.

• 1/12
• 1/6
• 1/4
• 5/6

What is the probability of flipping a coin

4 times and getting heads three times in a row?

• 1/8

• 1/6

• 1/16

• 1/32

How many ways can the Peppa Pig Society choose a Peppa, George, Mummy Pig, and Daddy Pig from a group of 12 people?

• 60

• 495

• 1,320

• 11,880

How many different ways can you create a 4-digit locker code using numbers 0 - 9 WITH repetition?

• 720
• 10000

• 10!
• 5040