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In a simple linear regression based on 30 observations, the following information is provided: y=-6.92+1.35x and se=2.78. Also, se(y0) evaluated at x=30 is 1.02. Construct a 95% prediction interval for y if x equals 30.
A. 32.90 to 36.12
B. 27.52 to 39.64
C. 18.45 to 23.49
D. 26.35 to 43.61
A prison official wants to estimate the proportion of cases of recidivism. In examining 250 convicts there are 65 cases. with 99% confidence interval what is the range? How do you figure this type of problem?
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a polling company reported that 14 of 2286 surveyed adults said that they play baseball. complete the followingwhat is
Arnold Palmer and Tiger Woods are two of the best golfers to ever play the game. To show how these two golfers would compare if both were playing at the top of their game, the following data provide the results of 18-hole scores during the PGA tou..
each of four persons named 1 2 3 4 fires one shot at a target. let ak denote the event that person k hits the target
q1. a normally distributed population has a mean of 40 and a standard deviation of 12. what does the central limit
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a small software company will bid on a major contract. it anticipates a profit of 55000 if it gets it but thinks there
How much error, on average, would you expect between the sample mean (M) and the population mean for: a sample of n=4 scores, a sample of n=16 scores, and a sample of n=25 scores.
During the 10-month period during which these six exposures were detected, a total of 2,316 general anesthetics using isoflurane or desflurane were delivered in operating rooms monitored by mass spectrometry.
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