Raisa Islam
Quiz von , erstellt am more than 1 year ago

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

18
0
0
Raisa Islam
Erstellt von Raisa Islam vor mehr als 8 Jahre
Schließen

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

Erklärung

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

Erklärung

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

Erklärung

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

Erklärung

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

Erklärung

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

Erklärung

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

Erklärung

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

Erklärung

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 .

Wählen Sie unten die Option aus, um den hervorgehobenen 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

Erklärung

Frage 10 von 13

1

M is the unbiased estimate of μ

Wähle eins der folgenden:

  • WAHR
  • FALSCH

Erklärung

Frage 11 von 13

1

Fülle die Lücken, um den Text zu vervollständigen.

tells you how much you can trust your

Erklärung

Frage 12 von 13

1

Fülle die Lücke, um den Text zu vervollständigen

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

Erklärung

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

Erklärung

Vorherige
Antwort prüfen
Nächste