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Question: For each of the following datasets, explain whether you would expect the mean or the median of the observations to be higher:
a. In a rural farming community, for each household the number of children is measured.
b. For all households in a large city, yearly household income is measured.
c. For all students in a high school (not just those who were employed), income earned in a job outside the home in the past month is measured.
d. For the coins in someone's pocket that has one-third pennies, one-third nickels, and one-third quarters, the monetary value of each coin is recorded.
the owner of a donut shop wishes to determine the best mix for her three products zingers crullers and eacuteclairs.
The following data are the number of pages in 40 books on a shelf. Construct a box plot using a graphing calculator, and state the interquartile range.
Translate the following statements into symbolic form using capital letters to represent affirmative English statements.- Mercedes will introduce a hybrid model only if Lexus and BMW do.
37 percent of managers have MBA degrees. Using probability formulas. Determine the proportion of employees who are managers and have MBA degrees.
a correlation is computed for a sample of n 18 pairs of x and y values. what correlations are statistically
What is the probability that 10 of the bills is incorrect? What is the probability that at least one bill is incorrect? What is the probability that more than 15 of the bills is incorrect?
What is the difference between the three ways of describing results: comparing percentages, comparing means, and correlating scores?
Assume the probability of a tire blowout is 0.102% per 50,000 miles of use and that a person travels 13,000 miles per year in a car. Assume that the probability of loss of control is 30% if the blowout occurs on the front tires and 15% for the rea..
Argue that the smallest observed value, X(1), as well as the the lower and upper quartiles, satisfy the definition of a measure of location.
every normal model is defined by its parameters the mean and the standard deviation.suppose that the mean ? 20 and that
Construct a scatter plot of the data.- Find the sample correlation coefficient.- Based on the value of r in part (b), predict the sign of b = 1 in the estimated regression line.
A spinoff of the anti-war and civil rights movements of the 1960s that affected women was?
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