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Tell whether each of the following involves a categorical variable, a discrete quantitative variable, or a continuous quantitative variable.
a. Depth of fish fossils found below the sea floor
b. Whether a country's government pays for at least half of higher education costs
c. How many evenings a student went out in the week preceding a survey
d. The proportion of higher education costs paid by the government in each of many countries around the world
e. Vertical drop of various ski slopes
f. Body mass of dinosaur specimens
g. Number of 2004 Olympic medals won by various countries
Among 500 freshmen pursuing a business degree at a university, 347 are enrolled in an economics course, 247 are enrolled in a mathematics course, and 120 are enrolled in both an economics and a mathematics course. What is the probability that a..
Describe a 5-step hypothesis test for two variances for a particular claim related to a real life experience. You need to state the claim, define the null and alternate hypothesis
The average salary of senior managers in the construction industry is $180,000 per year. Suppose we would like to take a sample of senior managers at a newly established company XYZ to see whether the mean annual salary is different from that ..
john goes hunting for wild ducks every saturday. he always loads his shotgun with three shells. from past experience it
Vegetable intake among children and parents. Vejrup, Lien, Klepp, and Bere (2008) measured the relationship between intake and availability of vegetables.
If 12 of them produce yr owers what is the probability that in the remaining 8 plants 4 produce yw owers, and 3 produce gr owers?
Refer to Original Source 20 on the CD, "Organophosphorus pesticide exposure of urban and suburban preschool children with organic and conventional diets."
Discuss the differences between empirical (observed) and theoretical (expected) probability.
1. estimation of mean monthly rentalsa suppose we consider the following data on monthly rentals 980 1230 1320 1440
A random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1 minutes.
the following data summarizes the historical demand for a productmonthactual
Find each value requested for the distribution of scores in following table. For the following scores the lowest value is x=13 place the scores in a frequency distribution table using.
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