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- 1. Multiple Choice
1.Name 2 broad types of descriptive statistics.
Mann Whitney U
Sign test
Measures of central tendency
Measures of dispersion
- 2. Multiple Choice
Name 3 measures of central tendency
Range
Mode
Median
Standard deviation
Mean
- 3. Multiple Choice
Name 2 measures of dispersion
Range
Mode
Median
Standard deviation
Mean
- 4. Multiple Choice
Advantage of using the mean?
Gives more accurate result as takes all data into consideration
It is not distorted by outliers
Easy and quick to calculate
- 5. Multiple Choice
Advantage of using the median?
Gives more accurate result as takes all data into consideration
It is not distorted by outliers
Easy and quick to calculate
- 6. Multiple Choice
Advantage of using the mode?
Gives more accurate result as takes all data into consideration
It is not distorted by outliers
Easy and quick to calculate
- 7. Multiple Choice
Disadvantage of using the mean?
Relies on there being 2 or more scores that are the same
Less sensitive than the mean as it doesn't use all of the scores
Outliers can distort the result
- 8. Multiple Choice
Disadvantage of using the median as a a measure of central tendency
Relies on there being 2 or more scores that are the same
Less sensitive than the mean as it doesn't use all of the scores
Outliers can distort the result
- 9. Multiple Choice
Disadvantage of using the mode?
Confusing when there are 2 opposing mode scores
Less sensitive than the mean as it doesn't use all of the scores
Outliers can distort the result
- 10. Multiple Choice
Main advantage of standard deviation over using the range
More accurate as it looks at how much each score deviates from the mean
It is quicker and easier to do than the range
- 11. Multiple Choice
What does a high standard deviation score indicate?
A bigger variance showing inconsistent results in a condition
A bigger variance showing participants have consistent results
- 12. Multiple Choice
Which is the best answer for what do the mean results in this study suggest?
Type of film impacts on nightmares as people who watch horror films are 7 times more likely to have nightmares than those who watch romantic comedies
People who watch horror had on average 2.18 nightmares in comparison to those who watched romantic comedies who had 0.30 nightmares
Types of films impact on number of nightmares people have
- 13. Multiple Choice
Which is the best answer for what do the standard deviation results suggest in this study?
The standard deviation scores are similar for those watching horror films and those watching romantic comedies showing consistency
The standard deviation scores are higher in the group who watched horror films in comparison to those who watched romantic comedies showing an inconsistency between the 2 groups
The standard deviation scores show inconsistency
The standard deviation scores show consistency
- 14. Multiple Choice
Which measure of central tendency should not be used if there are outliers?
Mean
Mode
Median
- 15. Multiple Choice
Which measure of central should be used if there is an outlier?
Mean
Mode
Median
- 16. Multiple Choice
Which measure of central tendency should be used if the data is interval (standardised) e.g. Time
Mean
Median
Mode
- 17. Multiple Choice
Which measure of central tendency should be used if the data is ordinal (unstandardised) e.g. rating scale score
Mean
Median
Mode
- 18. Multiple Choice
Which type of data analysis should be used to find out how consistent a set of results are?
Measure of central tendency
Measure of dispersion
Inferential statistical test
Percentages
- 19. Multiple Choice
When asked to analyse the mean results you should....
Directly quote the mean results from the table
Sum up the relationship between the 2 means e.g. The mean was twice as big for condition A or people remembered 6 more words on average .....
Make no reference to the data at all
- 20. Draw
Draw out a normal distribution of data. Put on a line to show where the mean, median & mode should be. Draw triangles on areas of statistical infrequency
- 21. Multiple Choice
Which 2 measures of central tendency should NOT be used on this data?
Mean
Mode
Median
- 22. Open Ended
2 Main Types of data Analysis
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