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Question: 1. In a sample of 60 households, one house is worth $2,500,000. Half of the rest are worth $280,000, and all the others are worth $315,000. Which is the better measure of the "center": the mean or the median?
2. The number of books checked out from the library from 25 students are as follows:
0; 0; 0; 1; 2; 3; 3; 4; 4; 5; 5; 7; 7; 7; 7; 8; 8; 8; 9; 10; 10; 11; 11; 12; 12 Find the mode.
the mean price to buy two of the medicines was 267.00 in 2006. a random sample of discount prices gives the following
classified ads in newspaper offered for sale 19 used cars of the same make and model. the output of regreesion analysis
the reliability of a computer system is often measured in terms of life-length of a specific hardware component. in
Under ordinary traffic conditions. What is the probability that a single car chosen at random will travel through the tunnel in 10 minutes?
Construct a 95% confidence interval for the proportion of individuals in the target market segment who are aware of the firm's new brand. If you use Excel and/or StatTools, please specify any functions you use and all the inputs.
Find the output autocorrelation in terms of the input autocorrelation. - Find the output PSD in terms of the input.
If a filled container of juice is selected at random, what is the probability that it is a nonconforming container? If a filled container of juice is selected at random, what is the probability that it was filled on machine II?
a) Solve the Helmholtz equation when u is a function of r only in 2-D. b) Solve the Helmholtz equation when u is a function of r only in 3-D.
Standard deviation = 30 (Source: U.S. National Center for Health Statistics). Levels above 200 warrant attention. Find the probability that a teenage boy has a cholesterol level greater than 200.
Standard deviation of 30 lb. Find the percentage of such weights between 190 lbs and 225 lbs. among 400 men aged 18 to 74, how many are expected to weigh between 190 lbs and 225 lb.
The time of service of a certain desgin of hydraulic system equipment ranges between 100,000 and 350,000 hours, with each service life having a uniform probability of occurring. What is the probability density function?
If an operator can handle at most five calls per minute, what is the probability that the operator will be unable to handle the calls in any 1-minute period?
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