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What else can I help you with?
Can data in the same set have the same z score?
Yes.
In a data set can there be two of the same z scores?
Every unique value has a unique distance from the mean, which leads to a unique z-score.
Is the median and the mode of a set of data always the same?
No, because the mode is the most common score, and does not necessarily represent the middle point of the scores, which is the median. For example: 1, 1, 1, 2, 3, 4, 5, 6, 7 In this set of data the mode is 1 but the median (the 5th score in this example) is 3.
Is it possible for the mean and the median of a set of data to be the same data?
no it can not because if you try to do it then i cannot be the same answer
Is the mean of the grouped data is equal to the mean of ungrouped data?
Suppose you compare the mean of raw data and the mean of the same raw data grouped into a frequency distribution. These two means will be
A large set of data has a mean of 100 and standard deviation of 15Five are addedto each score in data what is the new mean and standard deviation?
The mean will move up by 5 also as the whole data set has shifted up by 5, hence the mean is 105. The spread of the data has not changed, its just been "lifted up and moved along 5" and so the standard deviation is the same, i.e. 15 Hope this helps
In a data set the number of observations will always be the same as the number of what?
elements
Are the median and the mean always the same value?
No, not necessarily. They each measure central tendency but in different ways. The mean measures the average of all of the scores while the mean is the middle score. In a normal distribution the median and mean must be equal. In other data sets, they may or may not be equal. For example, the set {0, 1, 2, 3, 5, 7, 10} has a mean of 28/7 = 4 and a median of 3.
What the data of crystal have the same shapes?
You question does not make sense - what do you mean by 'data of crystal' ?
Is mean and mode ever the same?
No mean is the average of a group if data and mode is the number that occurs the most in a group of data
Will all random samples from a given population have the same mean?
Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among random samples.
What is the average IQ for 42 year olds?
100. an intellegence quotient (IQ) is a statistical measure that compares an individual against the average of indiviudals the same age. so, the average is always 100 regardless of the age. However, the average/score of a 42yo is not the same as 30yo... for example, an IQ score of 100 does not mean the same thing for a 16yo as it does for a 50yo, they are age specific.
