Reading 11 sampling and estimation questions and answers
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Reading 11 sampling and estimation questions and answers
Reading 11: Sampling and EstimationQuestion #1 of 88Question ID 434211Student’s f-DistrlbutlonLevel of Significance for One-Tailed Testdf0.10.050.0250 Reading 11 sampling and estimation questions and answers 0.010.0050.0005Level of Significance for Two-Tailed Testdf0.20.10.050.020.010.001301.311.6972.0422.4572.753.646401.3031.6842.0212.4232.7043.551601.2961.67122.392.663.461201.2891.6581.982.3582.6173.373Based on Student's t-distribution, the 95% confidence interval for the population mean based on a sa Reading 11 sampling and estimation questions and answers mple of 40 interest rates with a sample mean of 4% and a sample standard deviation of 15% is closest to:J A) -0.794% to 8.794%.X B) -0.851% to 8.851%.Reading 11 sampling and estimation questions and answers
X C) 1.261% to 6.739%.ExplanationThe standard error for the mean - s/(n)u* - 15%f(40)UẶ - 2.372%. The critical value from the t-table should be based Reading 11: Sampling and EstimationQuestion #1 of 88Question ID 434211Student’s f-DistrlbutlonLevel of Significance for One-Tailed Testdf0.10.050.0250 Reading 11 sampling and estimation questions and answers n approximate confidence interval. Based on 95% confidence and df = 40. the critical t-value is 2.021. Therefore the 95% confidence interval is approximately: 4% ± 2.021(2.372) or 4% * 4.794% or -0.794% to 8.794%.ReferencesQuestion From: Session 3 > Reading 11 > LOS jRelated Material:• Key Concepts Reading 11 sampling and estimation questions and answers by LOSQuestion #2 of 88Question ID: 413248An analyst is asked to calculate standard deviation using monthly returns over the last five years. These daReading 11 sampling and estimation questions and answers
ta are best describedas:X A) cross-sectional data.■/ B) time scries data.X C) systematic sampling data.ExplanationTime series data are taken at equallReading 11: Sampling and EstimationQuestion #1 of 88Question ID 434211Student’s f-DistrlbutlonLevel of Significance for One-Tailed Testdf0.10.050.0250 Reading 11 sampling and estimation questions and answers a is dividend yields on 500 stocks as of the end of a year.ReferencesQuestion From: Session 3 > Reading 11 > LOS dRelated Material:• Key Concepts by LOSQuestion #3 of 88A simple random sample is a sample constructed so that: Reading 11 sampling and estimation questions and answers Reading 11: Sampling and EstimationQuestion #1 of 88Question ID 434211Student’s f-DistrlbutlonLevel of Significance for One-Tailed Testdf0.10.050.0250Gọi ngay
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