17 Questions
Which type of measurement scale classifies elements into two or more categories without any order or magnitude?
Nominal
What type of scale has no absolute zero point and establishes equal distances between scores, in addition to ordering the scores?
Interval
Which type of scale not only orders scores but also has an absolute zero point?
Ratio
What is a subgroup of the population used for statistical analysis called?
Sample
Which numerical measure describes a characteristic of the population?
Parameter
What does the term 'statistics' originate from?
Latin word 'status'
In ancient times, how was statistics primarily used?
To determine tax levies and military needs
Which measure of central tendency is most affected by extreme values in a dataset?
Mean
When a dataset is right-skewed, where is the peak of the distribution located in relation to the mean?
To the left of the mean
In a dataset with multiple modes, what type of distribution does it represent?
Uniform distribution
What does skewness measure in a statistical distribution?
Asymmetry of the distribution
What is the mean of the first set of data provided?
30.5
In the second set of data, what is the median?
32
What does having multiple modes in a distribution indicate?
A skewed distribution
When all values in a distribution are different, what happens to the mode?
It cannot be calculated
Which measure of central tendency is most affected by extreme values in a dataset?
Mean
In a highly positive skewed distribution, how do the mean, median, and mode relate to each other?
Mean > Median > Mode
Learn how to find the mean of a set of data and understand the concept of the median as a measure of central tendency. Practice calculating the mean for a given dataset and grasp the importance of the median in dividing distributions evenly.
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