answersLogoWhite

0

Intuitively, a standard deviation is a change from the expected value.


For the question you asked, this means that the change in the "results" doesn't exist, which doesn't really happen. If the standard deviation is 0, then it's impossible to perform the test! This shows that it's impossible to compute the probability with the "null" standard deviation from this form:

z = (x - µ)/σ


If σ = 0, then the probability doesn't exist.

User Avatar

Wiki User

∙ 13y ago

What else can I help you with?

Related Questions

A standard normal distribution has a mean of and standard deviation of?

Mean 0, standard deviation 1.


What is the mean and standard deviation for the standard normal curve?

Mean = 0 Standard Deviation = 1


Is the standard normal distribution has a mean of 1 and standard deviation of 0?

No.


Why standard deviation scores over mean deviation as a more accurate measures of dispersion?

It is not. And that is because the mean deviation of ANY variable is 0 and you cannot divide by 0.


What is the distribution with a mean of 0 and a standard deviation of 1 called?

standard normal


What is standard deviation of 155.45?

The standard deviation is 0.


What is the standard deviation for 1.3?

The standard deviation for a single observation is 0.


What is true of a standard normal probability distribution aA mean of 0 and a standard deviation of 1 b A mean of 1 and any standard deviation of 1 c Any mean and a standard deviatio?

a is true.


What would it mean if a standard deviation was calculated to equal 0?

A standard deviation of zero means that all the data points are the same value.


What does a standard deviation of 0 tell you?

The smaller the standard deviation, the closer together the data is. A standard deviation of 0 tells you that every number is the same.


What are the four numbers have the smallest possible standard deviation?

If all four numbers are the same, there is no standard deviation. The mean will be equal to all 4 numbers, resulting in a 0 standard deviation. Ex) 5,5,5,5


If quartile deviation is 24. find mean deviation and standard deviation?

Information is not sufficient to find mean deviation and standard deviation.

Trending Questions
Which sampliing method subdivides the population into categories sharing similar characteristics and then selects a sample from each subdivision? How many ways can the letters in Boston be arranged? Is it safe to have two abortions in two months? What must be present in order to say that a correlation exists? How A five-number summary (min Q1 median Q3 max) for a set of data is (15203550115). Which is the largest number listed below that is not an outlier? What are the chances of girl getting pregnant if there are sperms on the underwear or a boy ejculates on her underwear? If you have a standard deck of 52 playing cards with 4 suits If two cards are drawn without replacement what is the chance of selecting two queens? What is the standard deviation of a treasury bill that has a expected return of 10.5? What does wats mean? What is the difference between risk behavior and cumulative risk? What percent of clothing is made from cotton? In access the best types of queries to use for data analysis are? An integer between 1 and 100 Find probability of perfect square if all integers between 10 and 80 as twice as the rest? Can you say the data were obtained? What does it mean if your MCH is elevated? What important feature of the data set is not revealed through the different measures of centre? What are the advantages of using line graphs? What is the most appropriate statistical technique? Which way does a parabola open when the coefficient of its y2-term is positive? When do most women ovulate?