Example of which type of variable
The amount of time needed to run the Boston marathon is an example of which type of variable?
A. continuous
B. discrete
C. qualitative
D. none of the above
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The car and train leave Richmond at same time and arrive in Waterbury at same time, car having traveled 15 km/hr faster then train. Determine speed of car and speed of train. Compute time it took for car to reach Waterbury.
But, had accident occurred 80km farther, it would have been 1.5 hours late only. Determine original rate of train and length of journey.
What is the term for a characteristic or attribute that can assume different values?
Snoopy flies his Sop with Camel 120 kilometers from London to Calais in 12 hours, flying into the headwind. Return trip, with same wind as the tail wind, takes only two hours. How fast is Snoopy flying through air?
Wind is 60 kilometers per hour in the south easterly direction. Determine actual speed and dircetion of plane relative to ground.
An advertisement for a car states that it is 10% more powerful than its competitor. This is an example of
Let X denote the number of correct answers out of 10 questions. Determine the expected number of correct answers out of 10 questions.
What kind of sampling is being employed if the population is divided in economic classes and the sample is selected from each and every economic class to be surveyed?
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