Sample Size Calculation There are two steps for us to calculate the sample size: Calculate the confidence interval Confidential interval is a margin of error reflection, which can give an estimation range of value which includes the unknown parameter. Highest per cent confidence level means that the data will be reality which can be 99%,.
R Code Essay Preview: R Code Report this essay 1．[pic 1][pic 2]The estimate of β is 1.4626.A 95% confidence interval for β is [0.9671, 1.9581].r- 0.04=1.4626*0.06, r=0.1278.A 95% confidence interval for the interest rate is [0.0980, 0.1575].NPV=-100,000+8000/(1+r)+…+8000/(1+r)^132=-100,000+8000/r=-37380 [-18387.41,- 49202.46] All values in this interval are negative. The investment has high risk of loss. r
Exercise Essay Preview: Exercise Report this essay Exam #3 Review1.(5 point(s)) A report on health care in the U.S. said that 28% of Americans have experienced times when they haven’t been able to afford health care. A news organization randomly sampled 801 black Americans, of whom 38% reported that there had been times in.
Managerial Statistics Essay Preview: Managerial Statistics Report this essay Managerial Statistics Brief Introduction: In this report, you will find 50 credit using customers whose information was used as variables. These variables were income, location, size, credit balance and years. The information collected was used to learn about their customers, AJ DAVIS is using this information.
Econ 2p91 Review:R square lies between 0 and 1R square equals that 60 percent of the variation in the dependent variable is explained by variation in all the independent variables included in the model. R square has disadvantage that the value always increase as new independent variables are added to the model no matter they.
Social Statistic Essay Preview: Social Statistic Report this essay Discuss how the above three concepts are related to each other and provide an original example in your discussion. (100 to 150 words). The three concepts are all part of inferential statistics. The rejection region and confidence interval both used in hypothesis testing. A confidence interval.
Bottling Company Case Study Bottling Company Case Study Calculate the mean, median, and standard deviation for ounces in the bottles. Bottle Number Ounces Bottle Number Ounces To calculate the mean and median for the following thirty values I first have to put the values in order: 14.5, 14.5, 14.6, 14.7, 14.9, 15, 15, 15, 15.1,.
Stats 2 Essay Preview: Stats 2 Report this essay ADM 2304 E – Statistical Methods Assignment #1 Problem 1 Test and CI for Two Proportions: bmi_A, bmi_B Null Hypothesis: No significant difference Alternative Hypothesis: Significant difference Event = 1 Variable Sample p bmi_A 192 1342 0.143070 bmi_B 97 720 0.134722 Difference = p (bmi_A) –.
