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In fitting a least squares line to n = 10 data points, the following quantities were computed:
a. Find the least squares line.
b. Graph the least squares line.
c. Calculate SSE.
d. Calculate s2.
e. Find a 95% confidence interval for the mean value of y when xp = 2.5.
f. Find a 95% prediction interval for y when xρ = 4.
The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5,000, find the probability that
Assume that you plan to use a significance level of ? = .05 to test the claim that p1 =p2. Use the given sample sizes and numbers of successes to find the pooled estimate p. Round to the nearest thousandth
At the 0.10 significance level was the sample result different from the usual pattern? Show how to plug this in megastat and if it is chi square or anova.
use the cramer-rao lower bound to identify the best unbiased estimate of the concerned parameter.1 xipoilambdathe
a gambler plays roulette and makes a 1 bet on four numbers 400 times. the bet pays 8 to 1. find the chance that the
Strongly support, support, no opinion, do not support, strongly do not support. The number of people in each category was recorded.
When the machine is functioning correctly the company expects a mean of 10.00 mm and a standard deviation of 0.05 mm. The machine is overhauled when the variability (i.e. the SD) deviates from the norm by 50% or more. What do your results suggest ..
A researcher discovers the number of parking tickets that a group of students have received during their driving careers. Twenty students reply and they have received between 9 and 20 parking tickets.
How would I calculate estimates of L, Lq, W, Wq and probability that there is no customer in the system? How would I calculate L, Lq, W, Wq and probability there is no voter in the system with 2 customer service representatives?
Assume that workers at each platform will beable to load 4 trucks per hour each and that truckswill continue to arrive at the rate of 3 per hour. Find the waiting line's new operating conditions. Is thisnew approach indeed speedier than the other two..
Y2K Inc. has estimated that half of their twenty workers will be injured in the coming year. The expected severity per occurrence is $1,000. What is the expected loss per exposure?
1.at what age do babies learn to crawl? does it take longer to learn in the winter when babies are often bundled in
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