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    1. Question : When using the Chebyshev’s theorem to obtain the bounds for 99.73 percent of the values in a population the interval generally will be _______ the interval obtained for the same percentage if normal distribution is assumed (empirical rule).
    Student Answer: narrower than
    wider than
    the same as
    Points Received: 1 of 1
    2. Question : An example of a qualitative variable is the mileage of a car.
    Student Answer: True
    False
    Points Received: 1 of 1
    3. Question : By taking a systematic sample in which we select every 100th shopper arriving at a specific store we are approximating a random sample of shoppers.
    Student Answer: True
    False
    Points Received: 1 of 1
    4. Question : All of the following are measures of central tendency except the
    Student Answer: range
    mode
    mean
    median
    Points Received: 1 of 1
    5. Question : Measurements from a population are called
    Student Answer: statistics.
    observations.
    variables.
    inferences.
    Points Received: 1 of 1
    6. Question : A normal population has 99.73 percent of the population measurements within ___ standard deviations of the mean.
    Student Answer: one
    two
    three
    four
    Points Received: 1 of 1
    7. Question : When a population is skewed to the left or right with a very long tail what is the best measure to use for central tendency.
    Student Answer: Population mean
    Population mode
    Population median
    Population standard deviation
    Points Received: 1 of 1
    8. Question : All of the following are measures of central tendency except the
    Student Answer: range
    mode
    mean
    median
    Points Received: 1 of 1
    9. Question : Which percentile describes the first quartile Q1?
    Student Answer: 25th
    50th
    75th
    100th
    Points Received: 1 of 1
    10. Question : Any characteristic of a population unit is called a
    Student Answer: measurement.
    sample.
    observation.
    variable.
    Points Received: 1 of 1

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