stats

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

If a cat eats 4 pounds of food in 5 days, how, how many pounds will it eat in 60 days?

• 50
• 48
• 12
• 72

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

How many more people 19 and under are in the French club than the Spanish club?

• 1
• 3
• 2
• 4

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

CCSS.7.SP.B.4

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

• 9

• 10

• 11.5

• 12.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What percent of the data is between 25 and 30 on the number line?

• 25%
• `50%
• 75%
• 100%

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

A new cable TV station wants to study the viewing habits of households.  The station surveys every household that purchased a new TV within the last 2 years in New York.  Is this random sampling?

• Yes
• No

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

The table lists five counties with the largest area in Texas. Which measure of center/variation best represents the average size of these counties?

• mean
• IQR
• mode
• range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Identify the Population:
Gwinnett County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective. 30 teachers chose Safari Montage, 45 selected Learn Zillion, 100 chose Ed Puzzle, and 55 chose Kahoot. GCPS concluded that all teachers prefer Ed Puzzle.

• 230 Teachers
• All teachers
• 100 Teachers
• 55 Teachers

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers
• All customers
• 8 customers
• Dessert

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

CCSS.HSS.ID.B.5

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5