Intro to Stats

Which question is a statistical question?

• How many students are in your math class?

• How tall are the students in your math class?

• How tall is Tranh?

• Is Tranh taller than Silvia?

Which question is a statistical question?

• How many students are on the basketball team?

• How many students are in Mrs. Johnson’s math class?

• How old are you?

• How old is a typical student in the school?

Which question is a statistical question?

• What are the ages of schools in the school district?

• How old is the middle school building?

• How many classrooms are there in the elementary school building?

• How many daily class periods are there in the high school?

Which question is NOT a statistical question?

• What is the average number of students who walk to school each day?

• How often do students take the bus to school?

• How many cars were in the teachers’ parking lot each day last week?

• How many parking spaces are there in the teachers’ parking lot?

Explain why the question “How many colors are there in the United States flag?” is NOT a statistical question.

• There are a limited number of possible answers.

• The answer may change over time.

• The variability in the data is limited.

• There is no variability in the data.

Under what condition is “How many hours per week do you work?” a statistical question?

• The question is asked of a job applicant.

• The question is asked of the president of a company.

• The question is asked of all employees of a company.

• The question is asked of a person who does not work for the company.

While doing a report on weather records for your town, you write a statistical question about daily temperature records for one year. Which of the numbers described could NOT be the answer to your question?

• August had the highest daily temperature.

• The highest temperature during January was 52 °F.

• The average low temperature for September was 48 °F.

• The range of temperatures from March 1 to May 1 was 50 °F.

What statement best describes the question “How many computer games does Christopher have right now?”

• The question is statistical because it does not involve a data set with items that vary.

• This question is statistical because there is variation in the resulting data set.

• This is not a statistical question because it does not involve a data set with items that vary.

• This is not a statistical question because there is variation in the resulting data set.

Nancy wants to know more about the music her friends listen to. Which of her questions below is NOT a statistical question?

• If I make a list of musical styles, how many of my friends like each style?

• How many songs does each of my friends have?

• What is my best friend’s favorite song?

• How many songs does each of my friends buy in one month?

Mia plants 20 flowers of different types in her garden. Which of the following questions is NOT a statistical question about the flowers?

• What was the total cost of the flowers?

• How tall is the shortest flower?

• How many of each type of flower is there?

• How many flowers have 5 petals?