SDC Frequency Distributions

How many classes are shown in the frequency distribution?

• 1

• 2

• 5

• 99

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the lower limit for the first class in this frequency distribution?

• 5

• 10

• 50

• 59

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What class width was used to create the classes for this frequency distribution?

• 5

• 10

• 50

• 59

Tags

CCSS.HSN.Q.A.1

What is the sample size of students shown in the frequency distribution?

• 10

• 40

• 41

• 99

Tags

CCSS.6.SP.B.5A

What is another word that means the same thing as relative frequency?

• percentage

• total

• average

• standard deviation

Tags

CCSS.8.SP.A.4

How do you calculate the relative frequency of a class?

• $\frac{class\ frequency}{100}$

• $\frac{total\ frequency}{class\ frequency}$
  

• $\frac{100}{total\ frequency}$
  

• $\frac{class\ frequency}{total\ frequency}$
  

Tags

CCSS.8.SP.A.4

What is the relative frequency for scores 80 - 89?

• 10%

• 25%

• 40%

• 80%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How do you calculate the cumulative frequency for a class?

• add all frequencies up to and including that class.

• add all frequencies up to but not including that class.

• multiply all frequencies up to and including that class.

• take the frequency of that class and divide it by the total number of frequencies.

What would be the cumulative frequency for the third class? (The row with 70 - 79)

• 9

• 12

• 21

• 31

What would be the cumulative frequency for the third class? (The row with 80 - 89)

• 10

• 12

• 21

• 31