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Bài viết của Trần Bảo Ngọc

A Single Population Mean using the Normal Distribution

A confidence interval for a population mean with a known standard deviation is based on the fact that the sample means follow an approximately normal distribution. Suppose that our sample has a mean of x ¯ = ...

Tác giả: Trần Bảo Ngọc viết 16:03 ngày 25/05/2018 chỉnh sửa

Introduction to Globalization and Protectionism

Flat Screen Competition The market for flat-panel displays in the United States is huge. The manufacturers of flat screens in the United States must compete against manufacturers from around the world. (Credit: modification of work by ...

Tác giả: Trần Bảo Ngọc viết 16:03 ngày 25/05/2018 chỉnh sửa

Lab: One-Way ANOVA

One-Way ANOVA Class Time: Names: Student Learning Outcome The student will conduct a simple one-way ANOVA test involving three variables. Collect the Data Record the price per pound of eight fruits, eight vegetables, and eight breads in ...

Tác giả: Trần Bảo Ngọc viết 16:03 ngày 25/05/2018 chỉnh sửa

Regression (Distance from School)

Class Time: Names: Student Learning Outcomes The student will calculate and construct the line of best fit between two variables. The student will evaluate the relationship between two variables to determine if that ...

Tác giả: Trần Bảo Ngọc viết 16:02 ngày 25/05/2018 chỉnh sửa

The Uniform Distribution

The uniform distribution is a continuous probability distribution and is concerned with events that are equally likely to occur. When working out problems that have a uniform distribution, be careful to note if the data is inclusive or exclusive. The data ...

Tác giả: Trần Bảo Ngọc viết 16:02 ngày 25/05/2018 chỉnh sửa

The Tradeoffs of Trade Policy

Economists readily acknowledge that international trade is not all sunshine, roses, and happy endings. Over time, the average person gains from international trade, both as a worker who has greater productivity and higher wages because of the benefits of ...

Tác giả: Trần Bảo Ngọc viết 16:01 ngày 25/05/2018 chỉnh sửa

Lab 2: Chi-Square Test of Independence

Class Time: Names: Student Learning Outcome The student will evaluate if there is a significant relationship between favorite type of snack and gender. Collect the Data Using your class as a sample, complete the following ...

Tác giả: Trần Bảo Ngọc viết 16:01 ngày 25/05/2018 chỉnh sửa

Introduction to Trigonometric Functions

The tide rises and falls at regular, predictable intervals. (credit: Andrea Schaffer, Flickr) Life is dense with phenomena that repeat in regular intervals. Each day, for example, the tides rise and fall in response to the ...

Tác giả: Trần Bảo Ngọc viết 16:01 ngày 25/05/2018 chỉnh sửa

Macroeconomic Perspectives on Demand and Supply

Macroeconomists over the last two centuries have often divided into two groups: those who argue that supply is the most important determinant of the size of the macroeconomy while demand just tags along, and those who argue that demand is the most important ...

Tác giả: Trần Bảo Ngọc viết 16:01 ngày 25/05/2018 chỉnh sửa

Tracking Real GDP over Time

When news reports indicate that “the economy grew 1.2% in the first quarter,” the reports are referring to the percentage change in real GDP. By convention, GDP growth is reported at an annualized rate: Whatever the calculated growth in real GDP was ...

Tác giả: Trần Bảo Ngọc viết 16:01 ngày 25/05/2018 chỉnh sửa