2 years ago

HELP PLEASE (GIVING BRAINLIEST))

Mathematics

2 answers:

sergejj [24]2 years ago

6 0

Answer:

The answer is C

Step-by-step explanation:

It looks to be the closest to a proportional relationship.

bekas [8.4K]2 years ago

4 0

Answer:

I think that the answer is B

Step-by-step explanation:

I really hope this helps and sorry if that is wrong

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$t=\frac{\bar x_1- \bar x_2}{\sqrt{\frac{s_1^2}{n_1} +\frac{s_2^2}{n_2} } }$

Step-by-step explanation:

H0: µ1 – µ2 = 0

HA: µ1 – µ2 ≠ 0

We have given,

The population variances are not known and cannot be assumed equal.

The test statistic for the test is

$t=\frac{\bar x_1- \bar x_2}{\sqrt{\frac{s_1^2}{n_1} +\frac{s_2^2}{n_2} } }$

Where,

$\bar x_1$ = sample meaan of population 1

$\bar x_2$ = sample mean of population 2

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$n_2$ = sample size of population 2

Therefore, this is the test

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