# Question

Find the critical value of Student's t for each hypothesis test.

a. Two-tailed test, n = 18, α = .05

b. Right-tailed test, n = 15, α = .10

c. Left-tailed test, n = 31, α = .01

a. Two-tailed test, n = 18, α = .05

b. Right-tailed test, n = 15, α = .10

c. Left-tailed test, n = 31, α = .01

## Answer to relevant Questions

Find the t calc test statistic for each hypothesis test. a. x-bar = 347, μ0 5 349, s = 1.8, n = 9 b. x-bar = 45, μ0 5 50, s = 12, n = 16 c. x-bar = 4.103, μ0 5 4.004, s = 0.245, n = 25 The manufacturer of an airport baggage scanning machine claims it can handle an average of 530 bags per hour. At α = .05 in a left-tailed test, would a sample of 16 randomly chosen hours with a mean of 510 and a standard ...In 2008, a small dealership leased 21 Suburu Outbacks on 2-year leases. When the cars were returned in 2010, the mileage was recorded (see below). Is the dealer's mean significantly greater than the national average of ...What is the consequence of a false negative in an inspection of your car's brakes? Repeat the previous exercise, using lower? α = .05. For each true value of π, is the power higher or lower? Previous exercise A quality expert inspects 400 items to test whether the population proportion of defectives ...Post your question

0