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1. How are the mean, median, and mode interrelated? What considerations lead to the choice of one of these measures of location over another?
2. Why do statisticians need measures of variability? State in your own words the definitions of the following measures of variability:
a. Rangeb. Mean absolute deviationc. Standard deviation
suppose the participants for jury duty are picked from a large pool of county residents with equal numbers of men and
Find the minimum amount of water pumped in 30 days. Let y be the total number of gallons pumped x days after pumping being. Note that (0,0) is on graph of the equation.
Hardluck Harry has a batting average of .200 (i.e., a 20 percent chance of a hit each time he's at bat). Scouts for a rival baseball club secretly observe Harry's performance in 12 random times at bat. What is the probability that Harry will get at l..
If there are 12 numbered balls in a basket (0-11), and you get 6 chances to pick a ball what are the odds to get two of the same number, 3 of the same number, 4, 5 and 6.
a sample survey interviews an simple random sample of 267 college women. suppose as is roughly true that 70 of all
Find the P value or an interval containing the P value for the sample test statistic.
calculate the samplenbspcovariancenbspbetween two variables x and y using the formulas described in lecture or
in texas holdem assuming that you are dealt a pocket pair determine the probability the the flopa. contains at least 1
in a hospital shipment of 3500 insulin syringes 14 were unusable due to defecta. is this sufficinet ecidence to reject
an economy consists of the three sectors agriculture energy and manufacturing. for each 1 worth of output the
A corporate executive officer is attempting to arrange a meeting of his three vice presidents for tomorrow morning. He believes that each of these three busy persons, independently of the others
a random sample of size 9 is collected from a normally distributed random variable. the sample mean is 6.507 and the
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