Statistics Quiz AQA Psychology

Which of the following is NOT a characteristic of inferential statistics?

• Researchers can select how much chance they will allow when determining if the results are significant.

• Conclusions can be generalized beyond the sample as hypotheses are accepted or rejected.

• It provides a more scientific, objective analysis than descriptive statistics.

• It is used to describe the basic features of the data in a study.

What type of data can be placed into categories, such as "Do you prefer shopping or cinema?"

• Nominal data

• Ordinal data

• Interval data

• Ratio data

Which measure of central tendency can be used with nominal data?

• Mean

• Median

• Mode

• Range

What is a key issue with nominal data?

• It is too sophisticated for sensitive statistical analysis.

• It does not enable very sensitive statistical analysis as the individual does not get a raw score.

• It provides a raw score that is difficult to interpret.

• It allows for a wide range of measures of dispersion.

Which type of data involves people getting a score that can be ranked from lowest to highest?

• Nominal data

• Ordinal data

• Interval data

• Ratio data

What measure of dispersion is used with ordinal data?

• Standard deviation

• Variance

• Range

• Interquartile range

What is a key issue with ordinal data?

• The calculations are based on the ranked scores, so it is less sensitive than interval data.

• It does not allow for any form of ranking.

• It provides a raw score that is difficult to interpret.

• It is too sophisticated for sensitive statistical analysis.

Which of the following is a characteristic of interval data?

• It has equal definable units (standardised score)/fixed scale.

• It uses categorical scales.

• It cannot be used to measure time.

• It does not use numerical scales.

What measure of dispersion is used for interval data?

• Range

• Standard deviation

• Interquartile range

• Variance

Which measure of central tendency can be used for interval data?

• Mean, median, or mode

• Only mode

• Only median

• Only mean