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Zigmanuir [339]
3 years ago
7

PLEASE ANSWER ASAP FOR AND BRAINIEST!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
melomori [17]3 years ago
7 0

Answer:

9

Step-by-step explanation:

you have to evaluate the exponent, and multiply the end product!! lol there

Nutka1998 [239]3 years ago
5 0

Answer:

Please find attached pdf

Step-by-step explanation:

Download pdf
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The accounting department analyzes the variance of the weekly unit costs reported by two production departments. A sample of 16
dusya [7]

Answer:

F=\frac{s^2_2}{s^2_1}=\frac{5.5}{2.5}=2.2

Now we can calculate the p value but first we need to calculate the degrees of freedom for the statistic. For the numerator we have n_2 -1 =16-1=15 and for the denominator we have n_1 -1 =16-1=15 and the F statistic have 15 degrees of freedom for the numerator and 15 for the denominator. And the P value is given by:

p_v =2*P(F_{15,15}>2.2)=0.138

For this case the p value is highert than the significance level so we haev enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviations are not significantly different

Step-by-step explanation:

Information given

n_1 = 16 represent the sampe size 1

n_2 =16 represent the sample 2

s^2_1 = 2.5 represent the sample deviation for 1

s^2_2 = 5.5 represent the sample variance for 2

\alpha=0.10 represent the significance level provided

The statistic is given by:

F=\frac{s^2_2}{s^2_1}

Hypothesis to test

We want to test if the variations in terms of the variance are equal, so the system of hypothesis are:

H0: \sigma^2_1 = \sigma^2_2

H1: \sigma^2_1 \neq \sigma^2_2

The statistic is given by:

F=\frac{s^2_2}{s^2_1}=\frac{5.5}{2.5}=2.2

Now we can calculate the p value but first we need to calculate the degrees of freedom for the statistic. For the numerator we have n_2 -1 =16-1=15 and for the denominator we have n_1 -1 =16-1=15 and the F statistic have 15 degrees of freedom for the numerator and 15 for the denominator. And the P value is given by:

p_v =2*P(F_{15,15}>2.2)=0.138

For this case the p value is highert than the significance level so we haev enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviations are not significantly different

5 0
3 years ago
4 is to 3 as x is to 20
vlada-n [284]
X is going to be 19 if 4 is to 3
4 0
3 years ago
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The perimeter of a sector of a circle of radius 21cm is 64cm,find the angle of the sector​
Alla [95]

Answer:

The angle is 60 degrees

Step-by-step explanation:

3 0
3 years ago
And the other answer???
il63 [147K]

Answer:

What other answer?

Step-by-step explanation:

5 0
3 years ago
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Solve the following equation. Then place the correct number in the box provided. 3 x = 12
Scorpion4ik [409]

Answer:

I believe 4 but I'm not that good at math but 4

3 0
3 years ago
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