How do you calculate the mean?

Sum of scores ÷ count of scores

The higher the effect size,

the stronger the relationship between two variables

What does meta-analysis do?

Combines multiple study results

About 68% scores fall within?

One standard deviation above and below mean

What is a skewed distribution?

More high scores than low scores or more low scores than high scores

Standard deviation measures what?

How much score variation in a collection of data

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Meyers 0.6 Statistics Fundamentals

20 termsStudBud Administration

Test your knowledge on basic statistical concepts such as mean, median, mode, standard deviation, and more.

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Questions 20

Answers

1
Normal curve is shaped like?
Positive correlation
Bell shape
Triangle shape
Flat line
2
What is a histogram?
Frequency bar graph
Pie chart
Line graph
Scatter plot
3
Mode is the most frequent score
True
False
4
A result from a study can be statistically significant and have a low effect size
False
True
5
Which measure shows most frequent score?
Median
Mode
Range
Mean
6
How do you calculate the mean?
Highest score in a data set
Sum of scores ÷ count of scores
Middle score of all scores in a row
Most frequent score in a data set
7
The higher the effect size,
the less statistical significance there is
the more effective the treatment
the weaker the relationship is between two variables
the stronger the relationship between two variables
8
Median is the middle score in data
True
Never
Sometimes
False
9
Effect size shows strength of?
Mean score
Sample size
Data range
Variable relationship
10
Inferential statistics help to?
Generalize from samples
Count data points
Describe data only
Ignore samples
11
Which measure is the arithmetic average?
Mode
Median
Range
Mean
12
Meta-analysis combines results from?
Single data point
One study
Multiple studies
Random guesses
13
Statistical significance means result is?
Unlikely due to chance
Randomly achieved
Always due to chance
Important for society
14
What does meta-analysis do?
Randomizes data
Correlates two variables
Combines multiple study results
Analyzes one study
15
About 68% scores fall within?
Median range of deviation
One standard deviation above and below mean
Mode range of deviation
Two standard deviations above the mean
16
What is a skewed distribution?
Number of low scores equal to number of high scores
Equal scores for all data set
More high scores than low scores or more low scores than high scores
Random scores
17
Percentile rank shows what?
Highest score in percentage form
Percent of scores above
Percent of scores below
Average score in percentage form
18
Range means the difference between?
Highest and lowest
Mean and median
Mode and mean
Median and mode
19
Standard deviation measures what?
Middle score of a standardized test
Average score in a data set
How much score variation in a collection of data
Highest score in a data set
20
What does descriptive statistics measure?
Group characteristics
Narrative opinions
Survey results
Single data points

Meyers 0.6 Statistics Fundamentals Flashcards | StudBud