Geometry Midterm Review

A researcher conducted a survey to determine whether people in a certain large town prefer watching sports on television to attending the sporting event. The researcher asked 117 people who visited a local restaurant on a Saturday, and 7 people refused to respond. Which of the following factors makes it least likely that a reliable conclusion can be drawn about the sports-watching preferences of all people in the town?

• Sample size

• Population size

• The number of people who refused to respond

• Where the survey was given

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.6

According to the line of best fit in the scatterplot above, which of the following best approximates the year in which the number of miles traveled by air passengers in Country X was estimated to be 550 billion?

• 1997

• 2000

• 2003

• 2008

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

The table above summarizes the results of 200 law school graduates who took the bar exam. If one of the surveyed graduates who passed the bar exam is chosen at random for an interview, what is the probability that the person chosen did not take the review course?

• $\frac{18}{25}$

• $\frac{7}{25}$

• $\frac{25}{200}$

• $\frac{7}{200}$

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

A survey was taken of the value of homes in a county, and it was found that the mean home value was $165,000 and the median home value was $125,000. Which of the following situations could explain the difference between the mean and median home values in the county?

• The homes have values that are close to each other.

• There are a few homes that are valued much less than the rest.

• There are a few homes that are valued much more than the rest.

• Many of the homes have values between $125,000 and $165,000.

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

A sociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has. The results are shown in the table below.

What is the median number of siblings for all the students surveyed?

• 0

• 1

• 2

• 3

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

There are a total of 2,400 students at Lincoln School and 3,300 students at Washington School. Based on the survey data, which of the following most accurately compares the expected total number of students with 4 siblings at the two schools?

• The total number of students with 4 siblings is expected to be equal at the two schools.

• The total number of students with 4 siblings at Lincoln School is expected to be 30 more than at Washington School.

• The total number of students with 4 siblings at Washington School is expected to be 30 more than at Lincoln School.

• The total number of students with 4 siblings at Washington School is expected to be 900 more than at Lincoln School.

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.MD.A.2

Nick surveyed a random sample of the freshman class of his high school to determine whether the Fall Festival should be held in October or November. Of the 90 students surveyed, 25.6% preferred October. Based on this information, about how many students in the entire 225-person class would be expected to prefer having the Fall Festival in October?

• 50

• 60

• 75

• 80

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.MD.A.2

The table above shows the number of registered voters in 2012, in thousands, in four geographic regions and five age groups. Based on the table, if a registered voter who was 18 to 44 years old in 2012 is chosen at random, which of the following is closest to the probability that the registered voter was from the Midwest region?

• 0.10

• 0.25

• 0.40

• 0.75

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

Which of the following scatterplots shows a relationship that is appropriately modeled with the equation y ax = b , where a is positive and b is negative?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

The bar graph above shows renewable energy consumption in quadrillions of British thermal units (Btu) in the United States, by energy source, for several energy sources in the years 2000 and 2010.

In a scatterplot of this data, where renewable energy consumption in the year 2000 is plotted along the x-axis and renewable energy consumption in the year 2010 is plotted along the y-axis for each of the given energy sources, how many data points would be above the line y x = ?

• 1

• 2

• 3

• 4

Tags

CCSS.HSS.ID.B.6

CCSS.HSF.IF.B.4