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Andrei [34K]
2 years ago
14

Table 2 is Proportional because when I cross multiply 2 times 3 and 1 times 6, I get 6. The products are the same

Mathematics
1 answer:
loris [4]2 years ago
3 0

What is the actual question?

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Which function in Excel is used to perform a test of independence? a. T.TEST b. CHISQ.TEST c. NORM.S.DIST d. Z.TEST
denis23 [38]

Answer:

b. CHISQ.TEST

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

The statistic is given by:

\chi^2 = \sum_{i=1}^n \frac{(O_i-E_i)^2}{E_i}

In order to calculate the p value we need to have in count the degrees of freedom , on this case df=(rows-1)(#cols-1). And we can calculate the p value would be given by:

p_v =P(\chi^2 >\chi^2_{calc})

But the correct comand is given by:

b. CHISQ.TEST(Actual range, Expected range)

We just need to put in one column the Observed values and in other the expectec values.

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3 years ago
2x(squared) + 5 - 2<br><br> What is the answer to this trinomial?
Juliette [100K]
The answer is <span>2x + 3. 
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2 years ago
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When using blocking to deal with extraneous factors in an experiment, the
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Answer:

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Step-by-step explanation:

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400 is decreased 60 amount of change
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400 to 400-60 which is 340

Does this helps you?
I hope it does but tell me if it doesn't.

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= 15 x 2

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