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antiseptic1488 [7]
3 years ago
10

If we can clearly see that the heavier person goes further than the lighter person, give a reasonable explanation for why that m

ight be despite the theoretical results we obtained. What assumptions might we be overlooking?
Social Studies
1 answer:
a_sh-v [17]3 years ago
7 0

Physics, and natural science in general, is a reasonable enterprise based on valid experimental evidence, criticism, and rational discussion. It provides us with knowledge of the physical world, and it is experiment that provides the evidence that grounds this knowledge. Experiment plays many roles in science. One of its important roles is to test theories and to provide the basis for scientific knowledge.[1] It can also call for a new theory, either by showing that an accepted theory is incorrect, or by exhibiting a new phenomenon that is in need of explanation. Experiment can provide hints toward the structure or mathematical form of a theory and it can provide evidence for the existence of the entities involved in our theories. Finally, it may also have a life of its own, independent of theory. Scientists may investigate a phenomenon just because it looks interesting. Such experiments may provide evidence for a future theory to explain.

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Women had little or no role in _____. farm work public life raising children supporting the family
sesenic [268]

The correct answer is "public life".

Women had little or no role in public life.

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3 years ago
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sp2606 [1]

I believe the answer is B.

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If you have samples of n 1 equals 22 and n 2 equals 20, in performing the pooled-variance t test, how many degrees of freedom do
Romashka [77]

If you have samples of n 1 equals 22 and n 2 equals 20, in performing the pooled-variance t test, you have 40 degrees of freedom.

The t-test method is a method where we analyze two sets of data which both these data are independent of each other. This pooled variance test helps us in getting the overall variance in both these different sample sets when we know that both the sample sets are almost equal.

To calculate degrees of freedom, we have the formula

df = n1 +n2 -2

According to the question, n1= 22 and n2= 20

Therefore, degree of freedom= 22 +20 -2 = 40

Hence, degree of freedom is 40.

To learn more about t-test, click

brainly.com/question/15870238

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