AQR Stats - Daily 2 - 2.1 to 2.3

What is the formula for relative frequency?

• f*N
• f-N
• f/N
• (f+x)/N

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

Tags

CCSS.2.MD.D.9

Approximately how many items were longer than 34 cm?

• None
• 8
• 7.5
• 7

Tags

CCSS.2.MD.D.9

Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?

• 19%

• 31%

• 22%

• 10%

What type of graph is shown?

• Hisotgram
• Frequency Polygon
• Ogive
• Line graph

What type of graph is shown?

• Hisotgram
• Frequency Polygon
• Ogive
• Line graph

What is the relative frequency for selecting a teen given that the person likes chocolate?

• .112
• .267
• .164
• .056

Tags

CCSS.6.RP.A.3C

Which of the following is the correct formula to find class width?

• (max-min)/(# of classes), round up to the next integer

• (max-min)/2, round up to the next integer

• (max-min)/(# of classes), round normally

• (max+min)/2, round normally

• (max-min)/(number of data), round up to the next integer

What would be the cumulative frequency for the third class?

• 5

• 12

• 17

• 18

Tags

CCSS.HSN.VM.C.6

What would be the class BOUNDRIES for the second class?

• 40 - 79

• 39.5 - 79.5

• 40.5 - 79.5

• 5 - 12