T-test

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5 Terms

1
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The t-test is a statistical test used when comparing what type of data?

Data on characteristics which display continuous variation.

2
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What is the use of the t-test?

To compare the means of the two samples of data and determine if there is a significant difference between the means.

3
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What probability is used when using the t-test?

5% (0.05).

4
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State the null hypothesis used in a t-test.

There is no significant difference between the means of the two populations being studied.

5
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How do you calculate the degrees of freedom in a t-test?

df=(n1​–1)+(n2​–1)