A professor of math refutes the claim that the average student spends 3 hours studying for the midterm exam. Which hypothesis is used to test the claim?
H0: µ = 3, H1: µ ≠3
The simple linear regression model assumes that regardless of the value for x, the standard deviation of the distribution of y values about the regression line is the same.
a .95 confidence coefficient is equivalent to a 5% significance level
Continuous Probability distributions describe probabilities associated with random variables that take on any value along a given range with no gaps between possible values
Daily ambient temperatures in degrees Fahrenheit are being recorded for a global warming study. This scale of measurement for this data would be:
The average labor time to sew a pair of denim jeans is 4.2 hours with a standard deviation of 30 minutes. If the distribution is normal, then the probability of a worker finishing a pair of jeans in less than 3.5 hours is: