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Descriptive and inferential statistics quiz
Descriptive and inferential statistics quiz
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A level linear Psychology data analysis test
Flashcards
25 cards
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Questions
25
Answers
1
What is the range of the following scores? 2, 4, 5, 8, 10, 15, 25, 29
29
4
27
25
2
Which statistical test would you use with a correlation?
Mann-Whitney U test
Sign test (Binomial)
Spearman's rho
Wilcoxon signed ranks test
3
What type of distribution is this?
A normal distribution
A negatively skewed distribution
A positive correlation
A positively skewed distribution
4
When would you NOT use the mean as a measure of central tendency?
When you wanted to find the average
When you had a normal distribution
When you had extreme scores
When you had a skewed distribution
5
Which statistical tests use nominal data?
Sign test
Chi-square test
Spearman's rho test
Mann-Whitney U test
6
What is standard deviation?
The average
The range
The square root of the variance
How scores vary from the mean
7
A researcher collects scores out of 20 from participants on a memory test. This is....
Ordinal data
Nominal data
Ratio data
Interval data
8
Which type of data is the mode most likely to be used with?
Ratio
Qualitative
Nominal
Ordinal
9
A researcher records how many participants have blue, green and brown eyes. This is..
Ordinal data
Interval data
Ratio data
Nominal data
10
20% of a psychology class fail the exam, what is this as a fraction?
1/20th
2/10ths
1/5th
2/5ths
11
If your probability level is p<0.05 which hypothesis should you accept?
Negative hypothesis
Dispositional hypothesis
Alternate hypothesis
Null hypothesis
12
What is the mean of the following scores? 5,10,5,8,2
5
6
10
3
13
What type of correlation does this graph show?
Positive
No correlation
Negative
A significant difference
14
A researcher records the reaction time of participant's. This is.....
Interval data
Ratio data
Ordinal data
Nominal data
15
In p<0.05 what does the p stand for?
Possibility
Partiality
Probability
Primary data
16
0.05 is what as a percentage?
5%
50%
25%
0.5%
17
What type of graph is this?
Histogram
Scattergraph
Frequency polygon (line graph)
Bar chart
18
Would a probability level of p>0.05 be significant?
Probably
Yes
No
Possibly
19
If you had a matched pairs design and ordinal data, what test would you use?
Spearman's rho test
Wilcoxon signed ranks test
Mann-Whitney U test
Chi-square test
20
What statistical test would you use with ordinal data and independent measures design?
Spearman's rho
Wilcoxon signed ranks
Mann-Whitney U test
Chi-square test
21
Data collected from Government statistics and newspapers is called...
Primary data
Qualitative data
Quantitative data
Secondary data
22
Would a probability level of p<0.05 be significant?
No
Yes
Probably not
Possibly maybe
23
What is the median of the following scores: 10, 6, 7, 2, 5?
10
6
5
7
24
What type of graph is this?
Pie chart
Frequency polygon
Scatergraph
Bar chart
25
Data that involves participant's feelings and thoughts and is in written form is called...
Qualitative data
Primary data
Secondary data
Quantitative data
