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Svetach [21]
3 years ago
9

Please help me answer this question and show work

Mathematics
1 answer:
maria [59]3 years ago
6 0

Answer:

c=45 and A=145

M=15 and L=115

Step-by-step explanation:

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You know that there is a strong correlation between the consumption of ice cream and body weight. The Pearson's r = 0.78. You al
Naddika [18.5K]

Answer:

y = 7.8x + 26

Step-by-step explanation:

Given the following :

Pearson's r = 0.78

Average consumption of ice cream = 5 grams per week (m) with Standard deviation (sd) = 1.5 grams

Average weight = 65 kg with standard deviation of 15kg

Formular for the regression line :

General regression formula :

y = mx + c

y = predicted variable ; m = slope or gradient ; x = predictor variable ; c = intercept

Gradient (m) = change in y / change in x

m = (sd y / sd x) * r

m = (sd weight / sd ice cream) × r

m = (15 / 1.5) × r

m = 10 × 0.78 = 7.8

Intercept:

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65 - [7.8 × 5]

65 - 39 = 26

Hence,

y = 7.8x + 26

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3 years ago
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ivann1987 [24]
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3 years ago
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Answer:

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What is the volume of the following prism?<br> 7 m<br> 3<br> Š<br> 6 m
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Answer:

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Step-by-step explanation:

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