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3 years ago

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An experiment was conducted as a one-way factorial design with K sample means, each based on n scores. What is the number of deg

rees of freedom for the between mean squares

1 answer:

nordsb [41]3 years ago

8 0

Answer:

The mean squares has d.f (n-1)

Step-by-step explanation:

The total number of degrees of freedom is n-1 as there is only one restriction of computing the grand mean. The d.f for k samples is k-1 beacuase the mean of the sample means must equal the grand mean. Similarly , the d.f for within SS is n-k , due to the k restrictions of computing the k sample means. Hence we find that

Total df= Within df + Between df

n-1= (n-k)+(k-1)

Between SS has (k-1) d.f

Within SS has (n-k) d.f

These two quantities are known as mean squares and has d.f (n-1)

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If T is the midpoint of SU, the following are true:

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Step-by-step explanation:

Required

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(a)

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$m \to slope$

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$m_1 * m_2 = -1$

This is true in this case, because:

$-\frac{2}{5} * \frac{5}{2} = -1$

Cancel out 2 and 5

$-1 = -1$

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