A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed.
The population is ______________________
The population is the houses in the neighborhood around a local park in San Antonio, Texas for the given example.
The population in statistics refers to the group of people, objects, or things that are being studied. For example, if the researcher wants to know the average income of people in the United States aged 18 to 60, the population will be all people in the United States aged 18 to 60.
It is given that the residents of every eighth house in the neighborhood around a local park in San Antonio, Texas were interviewed.
Hence, as per the given information, the houses in the neighborhood around the local park is the population.
For the given example, the houses in the neighborhood around a local park in San Antonio, Texas is the population.
How does sleep deprivation affect your ability to drive? A recent study measured the effects on professional drivers. Each driver participated in two experimental sessions: one after normal sleep and one after hours of total sleep deprivation. The treatments were assigned in random order. In each session, performance was measured on a variety of tasks including a driving simulation.
Use key terms from this module to describe the design of this experiment.
The Well-Being Index is a survey that follows trends of U.S. residents on a regular basis. There are six areas of health and wellness covered in the survey: Life Evaluation, Emotional Health, Physical Health, Healthy Behavior, Work Environment, and Basic Access. Some of the questions used to measure the Index are listed below. Identify the type of data obtained from each question used in this survey: qualitative, quantitative discrete, or quantitative continuous.
a. Do you have any health problems that prevent you from doing any of the things people your age can normally do?
b. During the past 30 days, for about how many days did poor health keep you from doing your usual activities?
c. In the last seven days, on how many days did you exercise for 30 minutes or more?
d. Do you have health insurance coverage?
Use the following data to answer the next five exercises: Two researchers are gathering data on hours of video games played by school-aged children and young adults. They each randomly sample different groups of 150 students from the same school. They collect the following data.
Would the sample size be large enough if the population is the students in the school?
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