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Rus_ich [418]
3 years ago
11

Find the measure of RPQ

Mathematics
1 answer:
nikklg [1K]3 years ago
5 0

Answer:

Step-by-step explanation:

<SRQ = 270 degrees

<RPQ is just 31 degrees short of that amount.

<RPQ = <SRQ - 31

<RPQ = 270 - 31

<RPQ = 239

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What is 80% as a fraction in reduced form?
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45

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An independent-measures research study was used to compare two treatment conditions with n= 12 participants in each treatment. T
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(a) The data indicate a significant difference between the two treatments.

(b) The data do not indicate a significant difference between the two treatments.

(c) The data indicate a significant difference between the two treatments.

Step-by-step explanation:

Null hypothesis: There is no difference between the two treatments.

Alternate hypothesis: There is a significant difference between the two treatments.

Data given:

M1 = 55

M2 = 52

s1^2 = 8

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n1 = 12

n2 = 12

Pooled variance = [(n1-1)s1^2 + (n2-1)s2^2] ÷ (n1+n2-2) = [(12-1)8 + (12-1)4] ÷ (12+12-2) = 132 ÷ 22 = 6

Test statistic (t) = (M1 - M2) ÷ sqrt [pooled variance (1/n1 + 1/n2)] = (55 - 52) ÷ sqrt[6(1/6 + 1/6)] = 3 ÷ 1.414 = 2.122

Degree of freedom = n1+n2-2 = 12+12-2 = 22

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Reject the null hypothesis because the test statistic 2.122 falls outside the region bounded by the critical values.

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Fail to reject the null hypothesis because the test statistic 2.122 falls within the region bounded by the critical values.

(c) For a one-tailed test with 0.05 (5%) significance level and 23 degrees of freedom, the critical value is 1.714.

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Reject the null hypothesis because the test statistic 2.122 is greater than the critical value 1.714.

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3 years ago
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Step-by-step explanation:

Noah's running speed = 6 mph.

Use formula D=v\cdot t, where

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