Question

# Mean daily calories Infant mortality rate (per 1,000 births) 1533    157 3505    9 1951...

Mean daily calories Infant mortality rate (per 1,000 births)

1533    157

3505    9

1951    117

2688    27

1620 110

3453 9

1650    156

3439 10

3439    47

3681    10

b. Compute r and r squared r2. r equals = nothing ​(Type an integer or decimal rounded to two decimal places as​ needed.)

Compute r squared r2. r squared r2 equals = nothing ​(Type an integer or decimal rounded to two decimal places as​ needed.)

Can you help me with this question, I only have 30 minutes left to solve. Thank you!!

 X Y XY X² Y² 1533 157 240681 2350089 24649 3505 9 31545 12285025 81 1951 117 228267 3806401 13689 2688 27 72576 7225344 729 1620 110 178200 2624400 12100 3453 9 31077 11923209 81 1650 156 257400 2722500 24336 3439 10 34390 11826721 100 3439 47 161633 11826721 2209 3681 10 36810 13549761 100 Ʃx = Ʃy = Ʃxy = Ʃx² = Ʃy² = 26959 652 1272579 80140171 78074
 Sample size, n = 10 SSxx = Ʃx² - (Ʃx)²/n = 7.4614e+06 SSyy = Ʃy² - (Ʃy)²/n = 35563.6 SSxy = Ʃxy - (Ʃx)(Ʃy)/n = -485148

Correlation coefficient, r = SSxy/√(SSxx*SSyy) = -0.9418 = -0.94

Coefficient of determination, r² = (SSxy)²/(SSxx*SSyy) = 0.8870 = 0.89

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