Direction:Solve the problems showing all the necessary steps and computations.

1. Given are the capital shares and existing loan balances of 12 randomly chosen member accounts of a certain cooperative.

Shared Capital: 7500, 12800, 9650, 13000, 25000, 15000, 15500, 17250, 18600, 21050, 16750, 17800, 15000, 22100, 10210

Loan Balance :8788, 9250, 12745, 12334, 15243, 6780, 12740, 15210, 8750, 9936, 15025, 16750, 8898, 16240, 15224

a.Find a good estimate of the mean, variance, and standard deviation for the shared capital of the cooperative members. (5 points)

b. Find a good estimate of the mean, variance, and standard deviation for the loan balances of the cooperative members.(5 points)

2. Below is the number of households subscribed in TITAN Telecoms in 5 barangays of San Carlos.

Barangay

Total Household

Household subscribed

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