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Running head: HAP 602

1

HAP 602: Statistics for Health Services Management

Student's Name

Institutional Affiliation

HAP 602

2

HAP 602: Statistics for Health Services Management

ObesityRate against FoodHardshipRate

0.4

0.35

ObesityRate

0.3

0.25

ObesityRate against

FoodHardshipRate

0.2

y = 0.5454x + 0.1779

R² = 0.3371

0.15

Linear (ObesityRate against

FoodHardshipRate)

0.1

0.05

0

0

0.05

0.1

0.15

0.2

0.25

0.3

FoodHardshipRate

1.

FoodHardshipRate and ObesityRate are highly dependent on each other. The scatter

points appear close to each which implies that their relationship is directly proportional.

2. R2 = 0.3371

R = √0.3371 ≈ 0.5806 to 4 significant figures

𝛼 = 0.05

The p-value derived from the Social Science Statistics website is < 0.00001 and the

result is significant at p < 0.05. FoodHardshipRate and ObesityRate are moderately

and positively correlated. FoodHardshipRate has a significant effect on ObesityRate.

3. The value for r from excel is ~0.6183. Feeding these results into the website gives

the p-value as < 0.00001 and the result is significant at p < 0.05. The value of r

HAP 602

3

indicates that adult smoking and child smoking are moderately and positively

correlated. Adult smoking has a significant effect on child smoking.

4. R2 (coefficient of determination) = 0.2312 = 23.12%. The model is no adequate to

predict the effect of an increase in the tax rate on cigarette smoking. The regression

equation is y = -1.394x + 394.08. F-computed = 14.73648 while Significance F is

0.000355. Since the significance F < F-computed, we reject the hypothesis that an

increase in the tax rates for cigarette packs will reduce ...