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2nd Yr PSYC2001 (LECTURE 2) Quiz am LECTURE TWO PSYC2001 MCQS, erstellt von Raisa Islam am 29/05/2016.

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LECTURE TWO PSYC2001 MCQS

LECTURE TWO PSYC2001 MCQS

Frage 1 von 13

1

What is a population?

Wähle eine der folgenden:

  • A subset of a large group of people

  • A large group of observations (people, objects etc.) about which a researcher wants to draw conclusions

  • The number of people in a country

  • The number of people that comprise a demographic

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Frage 2 von 13

1

What does descriptive statistics do?

Wähle eine der folgenden:

  • Make leaps and conclusions about a population from sample data

  • Describe the data in a meaningful way

  • Explain formulae, the theory behind the statistics

  • Compress and condense raw data in the world into a workable size

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Frage 3 von 13

1

What is σ²M

Wähle eine der folgenden:

  • Standard variance of the population

  • Standard error of the mean

  • Standard deviation

  • Variance of sample

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Frage 4 von 13

1

What are inferential statistics

Wähle eine der folgenden:

  • A tool to predict the sample based on population data

  • A tool to draw inferences about a population from sample data

  • A way to compress and consolidate sample data

  • A way to estimate and make decisions about sample statistics

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Frage 5 von 13

1

What are the two inferential procedures

Wähle eine der folgenden:

  • Hypothesis testing and extrapolating

  • Estimation and interpolating

  • Estimation and hypothesis testing

  • Hypothesis testing and determining limitations

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Frage 6 von 13

1

What is a confidence interval?

Wähle eine der folgenden:

  • How likely a particular value or set of values is in the given data

  • An estimation of the confidence results are significant

  • An estimation of the area that encompasses a particular value

  • A tool to define a prediction, i.e. is it true or not

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Frage 7 von 13

1

What is hypothesis testing?

Wähle eine der folgenden:

  • How likely a particular value or set of values is in the given data

  • A way to test if the hypothesis can be applied to the entire population

  • A way to test if the hypothesis is valid

  • A tool to define a prediction regarding a statement about the population parameter, i.e. is it true or not

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Frage 8 von 13

1

What is the sampling distribution?

Wähle eine der folgenden:

  • A hypothetical distribution of values of a particular population parameter made by repeatedly sampling "n" times from a sample and calculating the value of the statistic for each sample

  • A hypothetical distribution of values of a particular sample statistic made by repeatedly sampling "n" times from a population and calculating the value of the population parameter for each sample

  • A hypothetical distribution of values of a particular sample statistic made by repeatedly sampling "n" times from a population and calculating the value of the statistic for each sample

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Frage 9 von 13

1

The standard error of the mean only refers to the , i.e. the behaviour of the averages collected , while the variance is the noise in the .

Klicke und ziehe, um den Text zu vervollständigen.

    experiment
    population
    sample
    that you are doing now
    parameter
    statistic
    that you did previously
    in the experiment
    for the population
    in a previous experiment
    populations
    experiments
    samples
    sampling distributions

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Frage 10 von 13

1

M is the unbiased estimate of μ

Wähle eins der folgenden:

  • WAHR
  • FALSCH

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Frage 11 von 13

1

Fülle die Lücken, um den Text zu vervollständigen.

tells you how much you can trust your

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Frage 12 von 13

1

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As 'n' gets larger, you get a better estimate of the .

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Frage 13 von 13

1

Decreasing standard deviation makes the σ²M more spread out, and pulls data away from the population mean.

Wähle eins der folgenden:

  • WAHR
  • FALSCH

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