True or false: 76% is a parameter.

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Presentation transcript:

True or false: 76% is a parameter. A survey of 200 adults in the U.S. found that 76% regularly wear seatbelts while driving. True or false: 76% is a parameter. True False Section 1.1 2

True or false: The checking account numbers of customers at a bank represent quantitative data. True False Section 1.1 3

Determine whether the quantitative variable is continuous or discrete. The time (in minutes) required for a student to complete a quiz. Continuous Discrete Section 1.1 4

Determine whether the study depicts an observational study or an experiment: Two sections of statistics are taught by the same teacher. One section uses MyStatLab; the other section does not. At the end of the semester grades in the two sections are compared. Observational study Experiment Section 1.2 5

Identify the type of sampling used: Students at a university are classified according to major. The administration randomly selects five majors. All students majoring in those five areas are surveyed. Simple random sample Stratified sample Cluster sample Systematic sample Section 1.4 6

Determine the type of sampling bias: A college wants to survey students about reducing the hours of the computer lab. To conduct the survey, they select the next 50 students to enter the computer lab. Sampling bias Response bias Nonresponse bias Section 1.5 7