Lesson 4.2.3.2.3
4.2.3.2.3 Presentation of data, percentages and distributions Quiz: AQA Psychology, Unit 2
20 questions
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Lesson 4.2.3.2.3, Presentation of data, percentages and distributions: 20 multiple choice questions for the AQA Psychology (7182), Unit 2: Psychology in context, written with Revision Ninja.
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The 20 questions
-
Which type of data is best displayed using a bar chart?
- Categorical data
- Time-series data
- Continuous data
- Correlational data
-
Which type of data is best displayed using a histogram?
- Nominal data
- Continuous data
- Categorical data
- Qualitative data
-
What type of relationship is displayed on a scattergram?
- Change over time
- Difference between conditions
- Relationship between co-variables
- Frequency of categories
-
In a normal distribution, what relationship exists between the mean, median, and mode?
- Mean is highest
- They are equal
- Mode is highest
- Median is highest
-
Where is the long tail located on a positively skewed distribution curve?
- On the right
- On the left
- In the centre
- At both ends
-
In a negatively skewed distribution, how does the mean compare to the median?
- They are equal
- Mean is lower
- Mean is double
- Mean is higher
-
Test scores cluster at the high end, with a few low scores. What distribution is this?
- Negatively skewed
- Positively skewed
- Normal distribution
- Bimodal distribution
-
Heights in a large, random sample of adults are expected to show which distribution?
- Perfectly uniform
- Approximately normal
- Strongly negatively skewed
- Strongly positively skewed
-
Which display best shows the proportions of different categories within a single whole?
- Pie chart
- Histogram
- Scattergram
- Bar chart
-
Which display is best for comparing discrete categories of frequency data?
- Histogram
- Bar chart
- Scattergram
- Line graph
-
A group of 18 out of 60 participants chose option A. What percentage is this?
- 18%
- 60%
- 33%
- 30%
-
A group's score rises from 40 to 52. What is the percentage increase?
- 40%
- 52%
- 12%
- 30%
-
In a sample of 200 people, 25 reported a particular behaviour. What percentage is this?
- 25%
- 12.5%
- 12.25%
- 8.5%
-
If a test mean is 30 and the median is 25, what skew is present?
- Normal distribution
- Zero skew
- Negative skew
- Positive skew
-
A score falls from 80 to 60. What is the percentage change?
- A decrease of 33%
- A decrease of 25%
- An increase of 25%
- A decrease of 20%
-
In a study of 350 participants, 60% answered yes. How many answered yes?
- 185
- 210
- 240
- 140
-
Why are histograms preferred over bar charts for displaying reaction times?
- Data is continuous
- Data is qualitative
- Data is categorical
- Data is nominal
-
What visual distortion occurs if a graph vertical axis starts well above zero?
- Exaggerated differences
- Correlated variables
- Understated differences
- Inverted results
-
In a sample of 80 people, 20 chose option B. What percentage chose option B?
- 80%
- 25%
- 20%
- 40%
-
In a distribution with a long left tail, how does the mean relate to the median?
- Mean is lower
- Median is zero
- Mean is higher
- They are equal
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