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What does a negative t statistic mean?

Anonymous

∙ 12y ago

Updated: 4/28/2022

In statistics, the t-test is a measure of the probability of a particular event happening. It is based upon a normal (bell-shaped curve) distribution of probabilities.

A negative number result for a t-test indicates that the probability calculated is to the left if you are graphing it on the bell curve. Importantly, it does not indicate a "less than zero" chance of an event happening.

Wiki User

∙ 12y ago

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Q: What does a negative t statistic mean?

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Continue Learning about Statistics

What does a negative f statistic mean?

the populations have an excess of heterozygotes

What is downside probability?

This is a very simple statistic to comprehend and to calculate. It takes the frequency distribution method of calculating probability. The statistic is calculated as This statistic is simple to interpret as well. What it calculates is the probability of the portfolio to get a negative return. It can be comprehended that a higher figure would mean a higher probability of fund to do give negative returns.

What does a high t-statistic mean?

A high z-score (or t-score, depending on what info you've been given for the data) means that a number is very far away from the mean (average) number. This number might be an outlier.

What is a negative mean?

IN statistics yes there is a negative mean. Mean is the average of multiple numbers. Negative is opposite of positive.

What is the p value of a test statistic of 1.369?

The answer depends on what the test statistic is: a t-statistic, z-score, chi square of something else.

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Related Questions

What does a negative f statistic mean?

the populations have an excess of heterozygotes

On average what value is expected for the t statistic when the null hypothesis is true?

When the null hypothesis is true, the expected value for the t statistic is 0. This is because the t statistic is calculated as the difference between the sample mean and the hypothesized population mean, divided by the standard error, and when the null hypothesis is true, these values should be equal, resulting in a t statistic of 0.

What is a negative statistic?

a statistic that is not in youre favor

How do you interpret a negative z- score?

A negative z-score indicates that the observed value (or statistic) was below the mean. In non-directional tests, a negative z-score is just as likely as a positive one.

What are the example of inferential statistics?

Mean, variance, t-statistic, z-score, chi-squared statistic, F-statistic, Mann-Whitney U, Wilcoxon W, Pearson's correlation and so on.

What is downside probability?

This is a very simple statistic to comprehend and to calculate. It takes the frequency distribution method of calculating probability. The statistic is calculated as This statistic is simple to interpret as well. What it calculates is the probability of the portfolio to get a negative return. It can be comprehended that a higher figure would mean a higher probability of fund to do give negative returns.

What does the c and the t mean on a hospital pregnancy test?

C- Control T- means test Line under the C - Negative Line under C and T- positive :)

What are some factors influencing the numerator and denominator t-statistic?

Several factors influence the value obtained for a t statistic. Some factors affect the numerator of the t statistic and others influence the size of the estimated standard error in the denominator. For each of the following, indicate whether the factor influences the numerator of dominator of the t statistic and determine whether the effect would be to increase the value of t (farther from zero) or decrease the value of t (closer to zero). In each case, assume that all other factors remain constant. a. Increase the variability of the scores. b. Increase the number of scores in the sample. Increase the difference between the sample mean and the population mean.

When the null hypothesis is true the t statistic will have an average value of?

"Whenever the t-statistic is farther from 0 than the t-critical value, the null hypothesis is rejected; otherwise, the null hypothesis is retained" Example: t = (M-μ0)/ (SD / Sqrt N) M is the sample mean and μ0 is the hypothetical mean. For a paired-samples t-test, M is the mean of the difference scores and μ0 is 0. SD is the standard deviation (of the difference scores in the case of a paired-samples t-test) and N is the number of subjects in the sample.

What does a high t statistic mean?

Assuming you mean the t-statistic from least squares regression, the t-statistic is the regression coefficient (of a given independent variable) divided by its standard error. The standard error is essentially one estimated standard deviation of the data set for the relevant variable. To have a very large t-statistic implies that the coefficient was able to be estimated with a fair amount of accuracy. If the t-stat is more than 2 (the coefficient is at least twice as large as the standard error), you would generally conclude that the variable in question has a significant impact on the dependent variable. High t-statistics (over 2) mean the variable is significant. What if it's REALLY high? Then something is wrong. The data points might be serially correlated. Assuming you mean the t-statistic from least squares regression, the t-statistic is the regression coefficient (of a given independent variable) divided by its standard error. The standard error is essentially one estimated standard deviation of the data set for the relevant variable. To have a very large t-statistic implies that the coefficient was able to be estimated with a fair amount of accuracy. If the t-stat is more than 2 (the coefficient is at least twice as large as the standard error), you would generally conclude that the variable in question has a significant impact on the dependent variable. High t-statistics (over 2) mean the variable is significant. What if it's REALLY high? Then something is wrong. The data points might be serially correlated.

What set of sample characteristics is most likely to produce a significant t statistic?

a small mean difference and large sample variances

What does a high t-statistic mean?

A high z-score (or t-score, depending on what info you've been given for the data) means that a number is very far away from the mean (average) number. This number might be an outlier.

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