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In automobile mileage and gasoline-consumption testing, 13 automobiles were road tested for 300 miles in both city and highway driving conditions. The following data were recorded for miles-per-gallon performance. City: 16.2 16.7 15.9 14.4 13.2 15.3 16.8 16.0 16.1 15.3 15.2 15.3 16.2 Highway: 19.4 20.6 18.3 18.6 19.2 17.4 17.2 18.6 19.0 21.1 19.4 18.5 18.7 Use the mean, median, and mode to make a statement about the difference in performance for city and highway driving.
Is the dependent variable discrete or continuous? interval, or ratio) is used to measure the dependent variable?
lambda computer products competed for and won a contract to produce two prototype units of a new type of computer that
score-s-up is a company that helps students improve their test scores on college entrance exams. they advertise that
one of larrys investments is going to mature and he wants to determine how to invest the proceeds of 30000. larry is
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
as an epidemiologist you are going to investigate the effect of a drug suspected of causing malformations in newborn
A random sample of 36 days yielded the average daily output of 890.2 tons, with standard deviation of 19.8 tons. Use this information to make a 95% confidence interval for mean.
Examinethe differences between profit and profitability and how you plan to use your profits to increase your business profitability.
Test the null hypothesis that the telephone survey technique has a probability of selecting a household with no children that is equal to the value obtained by the census.
worldwide it is understood that iq scores follow a normal distribution. it is assumed that the middle 95 of the
The auto parts department of an automotive dealership sends out an average of 8 special orders daily. The number of special orders is assumed to follow a Poisson distribution.
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