Unit 1 Review (Part 1): Data Sampling & Histograms

Multiple Choice

Which question could be asked to collect data that could be represented using a histogram?

• How many times do adults eat fast food every month?

• What is the best restaurant in Herndon?

• Who brings their lunch to work?

• At my family reunion, what is everyone's favorite desert?

Multiple Choice

A telemarketer wants to know which social media platforms are being used by students at Herndon High School. Which method would generate data that best represents the population at HHS?

• A count of the number of mobile phones used at HHS every day

• A survey of 500 randomly selected students at HHS

• A list of the names of every student that has a computer at HHS

• A survey of 50 seniors at HHS

Multiple Choice

What would be the effect of increasing the sample size (number of people surveyed) from 50 to 500 improve the accuracy of a survey on the number of hours spent reading by Herndon Elementary students over the summer?

• It will be easier to conduct the survey because no one will feel left out.

• Even though there are 1200 students at Herndon Elementary, this survey will produce perfect results.

• This will actually decrease the accuracy of the survey because it will take too long

• It will increase the accuracy by representing a larger population of the students at the school

Multiple Choice

Which dataset can we use to create a really good histogram?

• Responses to the question: Do you like spaghetti? (yes/no)

• The total number of bread sticks eaten by each table at Olive Garden.

• The colors of all the cars parked at Chick-fil-a on Sunday.

• The favorite dipping sauce selection by 10 people dining at Chick-fil-a.

Multiple Choice

Which survey question could not be used to generate this histogram?

• How many customers are served per hour at all the 7-11 stores in Virginia?

• How often ,per minute, do crickets chirp at night?

• What did the Jones family have for dinner: Italian, Chinese, or Tex-Mex?

• How many people travel this far (miles) to work?