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Q1) In bumper test, 3 kinds of autos were intentionally crashed into barrier at 5 mph, and resulting damage (in dollars) was evaluated. 5 test vehicles of each kind were crashed, with the results given below. Research question: Are mean crash damages same for these 3 vehicles? Crash1 Crash Damage ($)
Goliath
Varmint
Weasel
1,600
1,290
1,090
760
1,400
2,100
880
1,390
1,830
1,950
1,850
1,250
1,220
950
1,920
An SRS of 100 of a certain popular model car in 1993 found that 20 had a certain minor defect in the brakes. An SRS of 400 of this model car in 1994 found that 50 had the minor defect in the brakes. Let p1 and p2 be the proportion of all cars of t..
What is the equation for this regression model?
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Standard deviations for first- and second-time and confidence interval
Conduct a hypothesis test using H 0 : σ 2 = .009216 to see whether the sample data indicate that the variability in interest rates changed.
A teacher gave a 25 question multiple choice test. After scoring the tests, she computed a mean and standard deviation of the scores. The standard deviation was 0. Based on this information
What is the standard deviation of expected returns for Stock X? For Stock Y?
Estimate the population mean
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
Determine the value of correlation coefficient between these 2 variables?
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