Explore BrainMass

Explore BrainMass

    Statistic Information MCQs

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Can I have a quick information of this ( file attached)

    1. A frequency distribution can be shown as
    ? a statistic
    ? a histogram
    ? a scatter plot
    ? a stem and leaf plot

    2. Simple statistics are
    ? for simpletons
    ? presented in stem and leaf plots
    ? things like correlations
    ? things like standard deviations

    3. What would you do with a median?
    ? Use it do show spread.
    ? Use it for normally distributed data.
    ? Cross it against oncoming traffic
    ? Indicate the middle of some data.

    4. The following are measures of spread:
    ? standard deviation
    ? root mean square errors
    ? percentile ranges
    ? polyunsaturated margarine

    5. Which arrow indicates the standard error of the estimate?

    ? A
    ? B
    ? C
    ? D

    6. Confidence intervals...
    ? are a new form of sprint training.
    ? are calculated routinely by most stats packages.
    ? define the likely range of a population value.
    ? are inferior to p values for indicating magnitude of outcomes.
    7. An outcome measured on a five-point scale (not at all to always)...
    ? is an example of an ordinal variable.
    ? has a behavior problem when it comes to residuals.
    ? should be analyzed by logistic regression.
    ? can be analyzed by ANOVA.
    8. Dimension reduction
    ? describes loss of precision.
    ? describes factor analysis.
    ? is an example of ANOVA.
    ? is a weight-loss program.

    9. Concerning reliability:
    ? It impacts most on descriptive studies.
    ? It can be expressed as an ICC.
    ? It can be expressed as a CV.
    ? It is quantified by 2-way ANOVA.

    10. Concerning validity:
    ? It impacts most on descriptive studies.
    ? It is the correlation between true and observed values.
    ? A valid measure must be reliable.
    ? A reliable measure must be valid.

    © BrainMass Inc. brainmass.com December 15, 2022, 8:07 pm ad1c9bdddf


    Solution Summary

    The solution provides most appropriate answers to ten multiple choice questions.