Chapter 1
This is used to measure the following prompt: your birthday is seven days from today.
What is discrete?
This is the mean weight for a group of people with the following weights in pounds: 98, 114, 110, 204, 202, 168.
What is 149.3?
This is the number of different outfits that can be created if you have 7 pairs of socks, 12 pairs of pants, and 16 shirts.
What is 1344 ways?
This set of data equals 1 and requires you to find its mean and standard deviation.
What is a probability distribution?
This is a symmetric, bell-shaped graph that has a mean equal to 0, a standard deviation equal to 1, and a total area equal to 1.
What is a standard normal distribution?
This form of measurement describes a group or trait only.
What is qualitative?
This is the median for a group of people with the following weights: 98, 114, 110, 204, 202, 168.
What is 141?
This is the total number of different ways that 6 books can be chosen in any order from a collection of 10.
What is 210 ways?
This is the probability of 4 students scoring below an A on a test, while the mean number of students scoring below an A is 8.
What is 5.73%?
This is the percentage of men that meet a minimum height requirement of 74 inches. Their heights are normally distributed with a mean of 69 inches and a standard deviation of 2.8 inches.
What is 3.7%?
This level of measurement places units in order only.
What is ordinal data?
This is the midrange for a group of people with the following weights: 98, 114, 110, 204, 202, 168.
What is 151?
This is the total number of different ways that a team of 5 people can be chosen from a group of 19.
What is 1395360 ways?
This is the probability if you guess 20 out of 25 questions correctly on a test, and you can guess correctly 70% of the time.
What is 10.3%?
Daily Double
Cholesterol levels in a group of men are normally distributed with a mean of 178.1 and a standard deviation of 40.7. This is the probability that his cholesterol level is higher than 260.
What is 2.2%?
This level of measurement displays data with meaningful differences, and it has no natural 0 starting point.
What is interval data?
This is the mode for a group of people with the following weights: 98, 114, 110, 204, 202, 168.
What is no mode?
This is the probability of drawing a face card and then a 4 from a standard deck of 52 cards.
What is 30.8%?
This is the probability if you guess at least 22 out of 25 questions correctly on a test, and you can guess correctly 70% of the time.
What is 3.32%?
This is the 65th percentile, with the mean equal to 0 and the standard deviation equal to 1.
What is 38.5%?
This design is flawed: four freshmen were surveyed for their class about their initial thoughts of SFP.
What is too small a sampling size?
This is the range for a group of people with the following weights: 98, 114, 110, 204, 202, 168.
What is 106?
This is the number of ways that the letters of the word STATISTICS can be arranged.
What is 50400 ways?
This is the probability of selecting three letters in a certain order, once per day, over the course of 180 days.
What is 1.01%?
In a game, the mean number of points is 32,000, while the standard deviation is 2,400. This is the number of points that are made by people in the top 10% of the game.
What is 35,075 points?