Concerning about rounding off numbers in the solutions/answers, consider the following rules. ox = -,2 decimal places Chapter 3 2 = K-H 2 decimal places Probability = 4 decimal places = %, 2 decimal places E = 2 decimal places Chapter 4 t = 2 decimal places z-test = - *-4, 2 decimal places Chapter 5 t-test = =# 2 decimal places p-value = 4 decimal places = %, 2 decimal placesA random sample of 15 households in Marikina City provided the following data on the number of kilowatt-hours (KWh) of electricity they consumed in a month: 618 615 520 522 614 558 485 592 618 575 478 568 623 630 468 Prompts Submitted Answers What is the point estimate for the 565.60 average monthly consumption? What is f at 99% confidence? 2.98 What is the margin of error at +44.22 99% confidence? What is the interval estimate at 521.38