A Jet Ski Can Go 13 Mph in Still Water

question 254

Essay

A jet ski can go 13 mph in still water. If a rider goes upstream for 5 hours against a current of 2 mph, how long will it take the rider to return?
( Hint: Upstream speed is (13 - 2) mph; how far can the rider go in 5 hours?
) __________ hours

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Definitions:

Interval

A range of values used to estimate a population parameter, including a measured level of reliability.

Ratio

A quantitative relationship between two numbers showing how many times the first number contains the second or vice versa.

Scales of Measurement

A classification that describes the nature of information within the values assigned to variables in statistical analysis.

Ordinal

Relating to a categorical ranking in which the order of the values is significant, but the difference between them is not uniformly spaced.