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ankoles [38]
3 years ago
10

If the homogeneity of variance assumption is violated in an independent groups t test, this means _________. the populations fro

m which the samples were drawn have different standard deviations you should use the sign test the sample sizes should be equal and N greater than 30 to use the t test the populations from which the samples were drawn have different standard deviations and the sample sizes should be equal and N greater than 30 to use the t test
Mathematics
1 answer:
Anit [1.1K]3 years ago
5 0

Answer:

the populations from which the samples were drawn have different standard deviations

Step-by-step explanation:

Given that the assumption of homogeneity of variance is the same as the assumption of the independent samples t-test which asserted that all comparison groups possess the same variance

Therefore, if the homogeneity of variance assumption is violated in an independent groups t-test, this means "the populations from which the samples were drawn have different standard deviations."

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Answer:

A) Hot air balloon about 17 seconds

Step-by-step explanation:

9 x 6 = 54      6 x 3= 18 seconds

5 x 10 = 50      10 x 2= 20 seconds

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vampirchik [111]

Answer: B, D, and maybe E. Check my explanation for 'E'

Step-by-step explanation:

There are a few ways of visualizing the expression, but Ill try to show it to easiest way possible.

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Answer:

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Step-by-step explanation:

Given

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To determine

The total cost of the bicycle with a sales tax include

The tax amount can be calculated by multiplying Sales tax i.e. 0.075 with the cost of bicycle before tax i.e. 837.95.

Thus,

Tax amount = 7.5% × 837.95

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Thus, the tax amount is: $62.85

Total cost after the tax can be calculated by adding the Tax amount and the cost before tax.

Therefore,

The total cost of a bicycle after the tax = $62.85 + $837.95

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Hence, the total cost of a bicycle after the tax = $900.8

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Answer:

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Step-by-step explanation:


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