Question
Asked Dec 3, 2019
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Diet
last 3.8
people
an
= 6,21. A second
/sample std. dev. of
group
B had 64 perple ad 2 k, Sy-49
on
w.th Dist A?
Ts thea
9ruater (eolveto
Tet at
a0,05
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Diet last 3.8 people an = 6,21. A second /sample std. dev. of group B had 64 perple ad 2 k, Sy-49 on w.th Dist A? Ts thea 9ruater (eolveto Tet at a0,05

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Expert Answer

Step 1

The null and alternative hypotheses are stated below:

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H Ha

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Step 2

The pooled standard deviation can be obtained as follows:

Thus, the pooled standard deviation is 5.47.

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(7-1)s+(n-1)s, 2 so (6.21)+63(4.4) 81+63 5.47

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Step 3

The test statistic is calculated below:

Therefor...

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x-y t: 3.8-1.2 1 (5.47) V81 63 2.6 5.47(0.168) = 2.82

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Math

Statistics

Hypothesis Testing

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