ml extra practice

What is the median?

• 62
• 58
• 66
• 60

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

Based on the box plot above, how do I find the IQR?

• 45 - 33

• 45 + 33

• 23 + 58

• 58 - 23

To find the mean of a set of numbers you...

• multiply all the numbers then divide by ho many numbers are in the set

• add the numbers together, then divide by how many numbers are in the set

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

True or false: If a data set has a high variability then the data is not very spread out.

• True

• False

The interquartile range (IQR) of a data set is the difference between the third and first quartiles. It represents the range of the middle half of the data.

• True
• False

Which class was less variable in their Algebra Scores?

• Class #2
• Class #1
• Both classes had the same consistency.
• 50%

Which restaurant has a greater IQR?

• Lucy's Steakhouse

• Gary's Grill

• They are the same