percentile for ungrouped data

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored as good or worse than I did 
• I earned a 55% on the exam
• I failed the exam
• 45% of the class scored worse than I did 

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

The 75th percentile is also know as the

• median
• third quartile
• 1st quartile`
• interquartile range

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

What is the 50th percentile of the following student heights:  60 in, 75 in, 70 in, 58 in, 62 in

• 58
• 70
• 75
• 62

What is the median of the data?

• 200
• 100
• 90
• 140

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

• True
• False

Tags

CCSS.6.SP.B.5

1-  The first quartile (Q 1) is the median of the lower half of the set.
2-  The second quartile (Q 2) is the median of the whole set .
3-  The third quartile (Q 3) is the median of the upper half of the set.

• All three statements are true.
• Only the 1st statement is true.
• Only the 2nd and the 3rd statements are true.
• Only the 3rd statement is true.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

A data set can have more than one mode

• True
• False

The percentile represents the....

• percent of data values that are below.
• percent of data values that are above.
• number of data values that are below.
• number of data values that are below.

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored as good or worse than I did 
• I earned a 55% on the exam
• I failed the exam
• 45% of the class scored worse than I did 

How many percent corresponds to D6 if you will interpret it?

• 20%

• 40%

• 60%

• 80%