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JulsSmile [24]
3 years ago
15

Please help! Brainliest answer! thank you!1

Mathematics
2 answers:
kobusy [5.1K]3 years ago
5 0

Answer:

I think it's A

Step-by-step explanation:

because none of the others appear to be correct

Snowcat [4.5K]3 years ago
3 0

Answer:

A. AB = CB

Step-by-step explanation:

If you compare all the lines shown, you can see that options B,C and D are all incorrect, therefore, the last remaining option, option A, is correct.

A. AB = CB

Hope this helps :)

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Two equal groups of seedlings, and equal in height, were selected for an experiment. One group of seedlings was fed Fertilizer A
ser-zykov [4K]

Answer:

Null Hypothesis: H_0: \mu_A =\mu _B or \mu_A -\mu _B=0

Alternate Hypothesis: H_1: \mu_A >\mu _B or \mu_A -\mu _B>0

Here to test Fertilizer A height is greater than Fertilizer B

Two Sample T Test:

t=\frac{X_1-X_2}{\sqrt{S_p^2(1/n_1+1/n_2)}}

Where S_p^2=\frac{(n_1-1)S_1^2+(n_2-1)S_2^2}{n_1+n_2-2}

S_p^2=\frac{(14)0.25^2+(12)0.2^2}{15+13-2}= 0.0521154

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P value for Test Statistic of P(3.3524,26) = 0.0012

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We can conclude that Test statistic is significant. Sufficient evidence to prove that we can Reject Null hypothesis and can say Fertilizer A is greater than Fertilizer B.

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