Introduction to Statistics Survey Observational

"A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.." What type of study does it represent?

• Survey

• Experiment

• Observational Study

A part of the entire group involved in a survey

• Sample

• Random Sample

• Population

• Statistics

The entire group of objects or individuals considered for a study or a survey.

• Sample

• Random Sample

• Population

• Statistics

What type of Study?

A community college student interviews everyone in a biology class to determine the percentage of students that own a car.

• Survey

• Experiment

• Observational

Identify the Sample: The Huddle House wants to know if their 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 manager at Huddle House concluded that most customers do not order dessert. What is the SAMPLE in this scenario?

• 20 customers from Huddle House

• All customers from Huddle House that evening

• 8 customers from Huddle House

• The employees from Huddle House

Kyle wants to find out what is the most popular sport at North Union Middle School. He asks 25 people at random what sport they prefer. What is the population in this question?

• The 25 random people

• All students at North Union

• Kyle

• The students not surveyed

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults

• adults in the U.S.

• 75% of adults

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry

Which of the following is a statistical question?

• What is your favorite color?

• Who is your Math teacher?

• How far do Grade 7 Students live from the school?

A question that anticipates and accounts for a variety of answers is called a/an

• nonstatistical question

• statistical question

• variable

• histogram