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How many medians can exist in a set of data?
In a set of data, there is always one median, which represents the middle value when the data is sorted in order. If the dataset has an odd number of values, the median is the single middle number. If the dataset has an even number of values, the median is calculated as the average of the two middle numbers. Thus, regardless of the dataset's size, there is always one median.
Is it true that the median is always one of the data points in a set of data?
No, it is not necessarily true that the median is always one of the data points in a set of data. The median is found by arranging the data in numerical order and selecting the middle value. This value might be one of the data points, but it could also be the average of two data points if there is an even number of values in the set.
Can a data set have more than one median?
No, a data set cannot have more than one median. The median is defined as the middle value of a sorted data set, or the average of the two middle values if the data set has an even number of observations. While a data set can have repeated values, the median itself remains a single value that represents the central tendency of the data.
What data represents any data that has a number or a rating assigned to it in order to measure performance or needs to be tabulated?
A. Quantitative
What number system represents numeric data as a series of 0s and 1s?
Binary.
What is a data marker...?
Represents value data in graphical data
The of a data bar represents the value in a cell.?
The length of a data bar represents the value in a cell. The longer the data bar, the higher the value in the cell it is associated with.
Which value is NOT always a number in the data set it represents?
The range, median, mean, variance, standard deviation, absolute deviation, skewness, kurtosis, percentiles, quartiles, inter-quartile range - take your pick. It would have been simpler to ask which value IS in the data set!
Can the mean be greater than the greatest value in the data set?
No, the mean cannot be greater than the greatest value in a data set. The mean is calculated by summing all the values and dividing by the number of values, which means it will always fall within the range of the data set. Therefore, the mean will always be less than or equal to the maximum value.
Will the median always be equal to an actual value in the data set?
No. Not if there are an even number of observations and the middle two values are unequal.
Is it true that the median is always one of the data points in a set of data?
No, it is not necessarily true that the median is always one of the data points in a set of data. The median is found by arranging the data in numerical order and selecting the middle value. This value might be one of the data points, but it could also be the average of two data points if there is an even number of values in the set.
What is A number that tells the typical value of data in a set called?
Average is the number that tells the typical value of data in a set.
How do you calculate average value?
(sum of data)/number of data
Can a data set have more than one median?
No, a data set cannot have more than one median. The median is defined as the middle value of a sorted data set, or the average of the two middle values if the data set has an even number of observations. While a data set can have repeated values, the median itself remains a single value that represents the central tendency of the data.
What is the significance of the keyword n.mean in statistical analysis and how is it calculated?
The keyword n.mean in statistical analysis represents the mean or average value of a set of data. It is significant because it provides a central measure of the data's distribution. To calculate n.mean, you add up all the values in the data set and then divide by the total number of values. This gives you the average value of the data.
Since the median is the middle value of a data set it must always be?
Not an extreme value.
What data represents any data that has a number or a rating assigned to it in order to measure performance or needs to be tabulated?
A. Quantitative
