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tatiyna
3 years ago
9

At the beginning of July, Kim had a mass of 63 kg.

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

Answer:

2%

Step-by-step explanation:

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Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test. Data: Use the inf
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The table is missing in the question. The table is provided here :

Group 1        Group 2

 34.86            64.14      mean

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Solution :

a). The IV or independent variable = Group 1

    The DV or the dependent variable = Group 2

b).

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  Therefore,   $t = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{s_1^2}{n_1}+\frac{S_2^2}{n_2}}}$

$t = \frac{34.86 - 64.14}{\sqrt{\frac{21.99^2}{7}+\frac{20.46^2}{7}}}$

t = -2.579143

Now,   $df = min(n_1 - 1, n_2 - 1)$

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Therefore the value of p :

  $=T.DIST(-2.579143,6,TRUE)$

 = 0.020908803

The p value is 0.0209

$p< 0.05$

So we reject the null hypothesis and conclude that $\mu_1 < \mu_2$

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Step-by-step explanation:

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