0
What happens if a value falls below the mean 2 standard deviation when the probability to belong to the distribution is lower than 0.05?
Wiki User
∙ 10y ago
Nothing actually happens! You just get a value that is very unlikely but still possible. That it is possible is evidenced by the fact that the value was observed.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What happens to the confidence interval as the standard deviation of a distribution decreases?
It goes up.
What happens in a normal distribution when the means are equal but the standard deviation changes?
The two distributions are symmetrical about the same point (the mean). The distribution where the sd is larger will be more flattened - with a lower peak and more spread out.
What happens to the standard score as the standard deviation increases?
The absolute value of the standard score becomes smaller.
How often something happens divided by all outcomes is called?
The probability of whatever it was that happens.
What happens to the sample size if you increase the standard deviation?
The statistics of the population aren't supposed to depend on the sample size. If they do, that just means that at least one of the samples doesn't accurately represent the population. Maybe both.
What happens to the confidence interval as the standard deviation of a distribution decreases?
It goes up.
What happens to the confidence interval as the standard deviation of a distribution increases?
The standard deviation is used in the numerator of the margin of error calculation. As the standard deviation increases, the margin of error increases; therefore the confidence interval width increases. So, the confidence interval gets wider.
What happens in a normal distribution when the means are equal but the standard deviation changes?
The two distributions are symmetrical about the same point (the mean). The distribution where the sd is larger will be more flattened - with a lower peak and more spread out.
What happens to the standard score as the standard deviation increase?
The standardised score decreases.
What happens if you estimate population standard deviation with the sample standard deviation?
Not a lot. After all, the sample sd is an estimate for the population sd.
What happens to the standard score as the standard deviation increases?
The absolute value of the standard score becomes smaller.
As standard deviation increases what happens to the sample size in order to achieve a specified level of confidence?
decreases
Can you use the formulas for a probability distribution to calculate parameters for a binomial probability distribution or can you just use the given formulas for a binomial probability distribution?
This depends on what information you have. If you know the success probability and the total number of observations, you can use the given formulas. Most of the time, this is the case. If you have data or experience which allow you to estimate the parameters, it may sometimes happen that you work like this. This mostly happens when n is very large and p very small which results in an approximation with the Poisson distribution.
What happens to the shape of the chi-square distribution as the df value increases?
As the value of k, the degrees of freedom increases, the (chisq - k)/sqrt(2k) approaches the standard normal distribution.
How often something happens divided by all outcomes is called?
The probability of whatever it was that happens.
What is the mean of a normal distribution?
It is the expected value of the distribution. It also happens to be the mode and median.It is the expected value of the distribution. It also happens to be the mode and median.It is the expected value of the distribution. It also happens to be the mode and median.It is the expected value of the distribution. It also happens to be the mode and median.
A sentence with distribution in it?
The distribution of resources among the population was not equitable, leading to disparities in access to education and healthcare.
