13 Questions
What is the most important characteristic of a unimodal distribution?
It has a single distinct peak
Which measure of central tendency is most affected by outliers in a dataset?
Mean
What is the primary purpose of calculating the standard deviation of a dataset?
To understand the amount of variation in the dataset
What is the term for a distribution that has multiple peaks?
Multimodal
Which of the following types of skewness is most likely to occur in a distribution with a long tail on the right side?
Positive skewness
What is the primary cause of a skewed distribution?
The asymmetry of the distribution around the mean
A dataset has a median of 50 and a mean of 70. What can be inferred about the distribution of the data?
The distribution is skewed to the right
What is the purpose of calculating the standard deviation of a dataset?
To measure the spread or dispersion of the dataset
A histogram with two distinct peaks is an example of a __________ distribution.
bi-modal
What is the mean of the following dataset: 12, 15, 18, 20, 22, 25, 28, 30?
21.25
A histogram is created with the following dataset: 10, 15, 20, 20, 25, 30, 30, 35, 40. What can be inferred about the mode of the dataset?
The mode is 20
What is the standard deviation of the following dataset: 10, 12, 15, 18, 20, 22, 25?
4.58
A histogram is created with the following dataset: 10, 20, 30, 40, 50, 60, 70, 80, 90. What can be inferred about the shape of the distribution?
The distribution is skewed to the right
Test your understanding of creating and analyzing histograms, including calculating mean, median, mode, and standard deviation. Learn to identify unimodal, bimodal, and multimodal distributions. Improve your statistical skills with this challenging quiz!
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
