7.SP.1-2 QZ Wk 1/25/21 POPULATION MEAN

A hospital wants to conduct a survey to find out what patients think about the quality of medical services provided by its doctors and staff. Which of these samples would give it the best results?

• taking the opinion of the entire staff in the hospital

• taking the opinion of patients in the cardiology wing of the hospital

• taking the opinion of all the doctors who treat patients in the

  hospital

• taking the opinion of every fifth patient who is discharged from the

  hospital

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

A sample should be

• representative of  only middle school students only
• a very large group
• representative of the population
• representative of people who volunteer

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Each dot represents 1 day. How many days were recorded?

• 9
• 21
• 20
• 105

Tags

CCSS.4.OA.C.5

Terry made the dot plot above to chart the amount of time, in minutes, that it took students to eat breakfast in the morning. How many students took 5 or more minutes to eat their breakfast?

• 11

• 12

• 14

• 16

Tags

CCSS.6.SP.B.5

CCSS.6.SP.B.4

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. 

• systematic
• random sample
• convenience
• biased sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.MD.B.6

Allie wants to learn the most popular board game in the United States, so she creates a poll and shares it on Twitter. Random or Biased/

• Random

• Biased

Zeke wants to find out how 7th graders at OMS get to school so he places the names of all 7th graders into a fish bowl and pulls out 50 names so he can survey them. Random or Biased?

• Random

• Biased

Jacob wants to determine the favorite candy among all 7th graders. He asks all the people who sit in his row in Math class. Random or Biased?

• Random

• Biased

Ray wants to determine the most popular brand of soda in all of Missouri. He polls all the houses on his street to get a sample. Random or Biased?

• Random

• Biased