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EleoNora [17]
3 years ago
11

According to the recipe, 2 1/2 cups of chocolate chips are needed to make a large batch of cookies. Manuel decided to make only

1/3 of the cookies. How many cups of chocolate chips will Manuel need?
Mathematics
1 answer:
Marat540 [252]3 years ago
5 0

Answer:

6

Step-by-step explanation:

No exact amount of cookies so if its a large batch we'll say there is 45 cookies 45 divided by 1/3 is 15

So 15 divided by 2 1/2 = 6

So your answer is 6.

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Computer output from a regression analysis is provided. Coefficients: Estimate Std. Error t value p-value (Intercept) 7.2960 14.
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Answer:

Step-by-step explanation:

Hello!

You need to test the hypothesis that the slope of the regression is cero.

I've run in the statistic software the given data for Y and X and estimated the regression line:

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The statistic for this test is a Student-t

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      Sb

The critical values are:

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Right: t_{n-2; \alpha /2} = t_{2; 0.975} = 4.303

t= <u>-1.60 - 0 </u>= -0.47

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the p-value is also two-tailed, you can calculate it by hand:

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With the level of significance of 5%, the decision is to not reject the null hypothesis. This means that the slope of the regression is equal to cero, i.e. there is no linear regression between the two variables.

I hope this helps!

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