17 Questions
What is the median of the following swim times: 2.6, 7.2, 3.5, 9.8, 2.5, 3.5 minutes?
3.5 minutes
What is the mode of the following data: 7, 13, 18, 24, 9, 3, 18?
18
What is the median age of the 10 subjects in the study with the following ages: 34, 24, 56, 52, 21, 44, 64, 34, 42, 46?
42 years
What is the mean age of the 10 subjects in the study with the following ages: 34, 24, 56, 52, 21, 44, 64, 34, 42, 46?
39 years
What is the mode of the ages in the following data set: 3, 7, 9, 13, 18, 18, 24?
18 years
What is the mean of the given data set: {1, 3, 6, 7, 2, 3, 5}?
3.9
If a data set has a mean of 2.6 with the frequencies provided, what is the total sum of (f * Y)?
3526
What is the definition of the median in a set of data?
The middle value when data is arranged in order
In a set of numbers where n is odd, how is the median calculated?
It is the middle number in the data set
When there are two middle numbers in a set of data, how is the median calculated?
It is the average of the two middle numbers
What was Nick's median quiz score during the first marking period given these scores: 90, 92, 93, 88, 95, 88, 97, and 87?
91.5
What is the formula for calculating the arithmetic mean of a population?
$\mu = \frac{\sum_{i=1}^{N} x_i}{N}$
Which measure of central tendency is defined as the value that divides the distribution in half when observations are ordered?
Median
If a data set contains the values {2, 4, 6, 8, 10}, what is the mode?
All values appear with equal frequency, so there is no mode.
If the arithmetic mean of a sample is denoted by $\bar{X}$, what is the correct formula for calculating it?
$\bar{X} = \frac{\sum_{i=1}^{n} x_i}{n}$
If a data set contains the values {3, 3, 5, 5, 5, 7, 9}, what is the median?
5
Which of the following statements is true about measures of central tendency?
The mean, median, and mode can have different values for the same data set.
Test your knowledge on central tendency measures such as mean, median, and mode. Learn how these values describe the average or typical of a distribution and where the middle of a dataset lies.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
