Statistic for bussiness and economics
Study Guide
Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Inferences About the Difference Between Two
Population Means: σ1 and σ2 Known
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Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Inferences About the Difference Between Two
Population Means: σ 1 and σ 2 Known
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
b. 1-alpha = 10% = 10%/2 = 0.05 (5%)
c. alpha/2 = 0.05 berarti di tabel z kita cari nilai p-value 95% atau 0.
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Inferences About the Difference Between Two
Population Means: σ 1 and σ 2 Unknown
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
c.
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
Study Guide Chapter 10: Statistical Inference About Means and Proportions with Two Populations
a.
p1/p p1 742 0. p 924
b.
P2/p P2 714 0. p 841
c.
Hipotesis null: seluruh maskapai penerbangan tidak mengalami peningkatan penerbangan yang tepat waktu dalam satu tahun
Hipotesis alternative: seluruh maskapai penerbangan mengalami peningkatan penerbangan yang tepat waktu tahun
d. n1 = 924, n2 = 841