Question:

Answer: ski slope from left to right

Question:

Answer: (2.12)(0.241)

Question:

Answer: The standard deviation of the distribution of time to be seated is the same for each size of the dining party.

Question:

Answer: 14

Question:

Answer: t=0.07−2.20​

Question:

Answer: We are 95 percent confident that the true slope of the regression line relating grams of carbohydrates and kilocalories per 100-gram sample of various raw foods is between 2.505 and 6.696.

Question:

Answer: We are 96 percent confident that the average increase in mating call frequency in the population of frogs when habitat temperature increases by 1 degree Celsius is between 1.573 and 3.109 tones per second.

Question: When computing a confidence interval for the slope of a regression line, a plot of the residuals versus the fitted values can be used to check which of the following conditions?

Answer: The standard deviation of y does not vary as x varies.

Question:

Answer: It cannot be determined whether the linear relationship between player height and number of points scored for basketball players in the coach’s state is positive or negative.

Question:

Answer: NOT

A chi-square test of independence

NOT

A two-sample z-test for a difference between proportions