Data and Statistics

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

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

A poll is taken from 100 seniors in a high school where the senior class has 575 students.

• Sample
• Population

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

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

Which scenario would produce the least biased results?

• asking athletes at a gym what their favorite television show is
• asking shoppers at a store where their favorite place to shop is
• asking fans at a baseball game who their favorite baseball team is
• asking students in a college library what their favorite college sports team is

While working at the pizza place, Dakeus ask every customer if they are satisfied with the service. Is this a biased sample?

• No
• Yes

Josh surveyed every 5th person who walked into the cafeteria. Is this a systematic random sample

• No
• Yes

The graph makes it seem like Cy Young had 3 times as many wins as Jim Galvin. Is this a valid conclusion?

• Yes, because Young only had about 150 more wins
• No, Young did have 3 times as many wins

The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?

• The slices are the wrong color
• The slices are not the correct size
• The percents do not add up to 100
• Not misleading