Algebra II Stats Intro Day

In which method of data collection does the researcher intentionally intervene to arrange for a comparison of results?

• taking a survey

• making observations

• filling out a questionnaire

• conducting a controlled experiment

Tags

CCSS.HSS.IC.B.3

       Which investigation technique is most often used to determine if a single variable has an impact on a given population?

• observational study

• random survey

• controlled experiment

• formal interview

Tags

CCSS.HSS.IC.B.3

       A doctor wants to test the effectiveness of a new drug on her patients.  She separates her sample of patients into two groups and administers the drug to only one of these groups.  She then compares the results.  Which type of study best describes this situation?

• census

• survey

• observation

• controlled experiment

Tags

CCSS.HSS.IC.B.3

A random sample of 100 people that would best estimate the proportion of all registered voters in a district who support improvements to the high school football field should be drawn from registered voters in the district at a

• football game

• supermarket

• school fund-raiser

• high school band concert

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A survey is being conducted to determine which school board candidate would best serve the Yonkers community.  Which group, when randomly surveyed, would likely produce the most bias?

• 15 employees of the Yonkers school district

• 25 people driving past Yonkers High School

• 75 people who enter a Yonkers grocery store

• 100 people who visit the local Yonkers shopping mall

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

    A survey is being conducted to determine which types of television programs people watch.  Which survey and location combination would likely contain the most bias?

• surveying 10 people who work in a sporting goods store

• surveying the first 25 people who enter a grocery store

• randomly surveying 50 people during the day in a mall

• randomly surveying 75 people during the day in a clothing store

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

    A survey is being conducted to determine if a cable company should add another sports channel to their schedule.  Which random survey would be the least biased?

• surveying 30 men at a gym

• surveying 45 people at a mall

• surveying 50 fans at a football game

• surveying 20 members of a high school soccer team

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

    A cell phone company is conducting a survey to determine the cell phone features that its customers use.  Which survey is least biased?

• The company conducts the survey on teenagers.

• The company conducts the survey on all age groups.

• The company conducts the survey on retired females.

• The company conducts the survey on middle-aged males.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

    Erica is conducting a survey about the proposed increase in the sports budget in the Hometown School District.  Which survey method would likely contain the most bias?

• Erica asks every third person entering the Hometown Grocery Store.

• Erica asks every third person leaving the Hometown Shopping Mall this weekend.

• Erica asks every fifth student entering Hometown High School on Monday morning.

• Erica asks every fifth person leaving Saturday’s Hometown High School football game.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

    The yearbook staff has designed a survey to learn student opinions on how the yearbook could be improved for this year.  If they want to distribute this survey to 100 students and obtain the most reliable data, they should survey

• every third student sent to the office

• every third student to enter the library

• every third student to enter the gym for the basketball game

• every third student arriving at school in the morning