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For the chi-square test for goodness of fit, what is the value of df for a test with four categories and a sample of n = 100?
What is the equation of the regression model and what is the meaning of the coefficient of x?
Find the KKT point for the followin problem: maximize the area of a rectangle whose perimeter is fixed as 2d(>0) and whose width must be less than or equal to twice its length.
eleven patients were weighed before and after a diet which was designed to help patients reduce weight. eight of these
Peter and Ray built a bike ramp from 20 sheets of 4ft. X 8ft. plywood and propped it up on one end with some bricks. The finished ramp is rectangular. Show 3 ways they might have arranged the wood and give the measurment for each side.
Consider that 10 observations were selected from a normal population whose variance is 64. Observations are: 58, 62, 45, 50, 59, 65, 39, 40, 41 and 52.
What is the point estimate of the students mean salary? What is the point estimate of the standard deviation of the students salaries? Construct a 95% confidence interval for the mean salary of the DM students?
Which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity of the plane?
Test at the alpha = 0.10 level, whether the manufacturer's claim is true.
A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?
One particular morning, the length of time spent in the examination room is recorded for each patient seen by each physician at an orthopedic clinic. Does the data prove a significant diference in mean times, using a=.05 Minutes in Examination roo..
1. jim takes a simple random sample of 15 from a very large population whose variance is unknown. she intends to
question a company is interested in estimating the mean number of days of sick leave taken by its employees. the firms
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