Which of the Following Methods Used to Determine the Mass

question 97

Multiple Choice

Which of the following methods used to determine the mass of a cluster does not depend on Newton's laws of gravity?

• A)measuring the orbital velocities of galaxies in a cluster
• B)measuring the temperature of X-ray gas in the intracluster medium
• C)measuring the amount of distortion caused by a gravitational lens
• D)none of the above

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Definitions:

Sales And Experience

Refers to the relationship or correlation between the sales performance and the level of experience in a particular field or job.

Prediction Interval

A range of values that is likely to include the value of an unknown parameter for a future observation, with a certain level of confidence.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a given level of confidence.

Gross Revenue

The total amount of money earned by a company from its sales or services before any costs or expenses are subtracted.