Which Two of the Following Countries Had the Best Score

question 9

Multiple Choice

Which two of the following countries had the best score in the Corruption Perceptions Index in 2015?

• A) Japan and Spain
• B) China and Russia
• C) United States and Canada
• D) Denmark and Singapore

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Definitions:

Confidence Interval

A statistical range, with a certain probability, that is believed to contain the true value of an unknown parameter.

Random Variable

A variable whose values depend on the outcomes of a random phenomenon.

Sample Proportion

The ratio of members in a sample that have a particular characteristic to the total number of members in that sample, often used in statistics to estimate population proportions.

Confidence Coefficient

A value, typically close to 1, that specifies the likelihood that a confidence interval will contain the true population parameter.