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Use the sats98 dataset on the companion website.
a. Plot the relationship between average verbal (Verbal) and average math (Math) SAT scores in the 50 states. Describe the characteristics of the relationship.
b. What states are outliers? In what specific way are they outliers?
The Canadian council of social development (CCSD) has the following poverty information on males and females in PEI, Calculate the mean poverty rate for gender on PEI. Calculate the median poverty rate for gender on PEI
A test is normally distributed with a mean of 40 and a standard deviation of 7. (a) What score would be needed to be in the 85th percentile?
Compute the mean, median and mode measures of central tendency for the number of years of work experience. Which measure does the best job of describing central tendency for this variable?
IRP Application to Short-Term Financing Assume that interest rate parity exists. If a firm believes that the forward rate is an unbiased predictor of the future spot rate, will it expect to achieve lower financing costs by consistently borrowing a..
test the claim that the samples come from population with the same mean. a consumer magazine wants to compare the
Compare two month moving average also exponential smoothing using MAD. The subsiquent data represents demand for company ABC's products for the last 10 months.
A coin is flipped three times.a. Draw a tree diagram that represents all possibleoutcomes. b. Identify all branches that represent the event"exactly one head occurred.
In a small train station, there are two counters where the travelers can buy their tickets, but the customers form a single waiting line. During the slack hours, only one counter is manned continuously by a clerk.
q1. according to the statistical abstract of the united states there are 31.1 milshylions one-person households 38.6
ben claims that the average price of a car wash in west newton is more than 6.00. a sample of five car washes has an
You have been asked to justify the use of a balanced RSS as opposed to an SRS of the same size to obtain information about a population. Discuss the pros and cons of these two approaches to data collection.
consider the formula used for any confidence interval and the elements included in that formula. what happens to the
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