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Jeremiah is on the Eagles bowling team. His scores for the past 12 games are shown below. 90 What is the mode of the scores? 102 104 110 Abe found the mean and median of this list of numbers. If the number 6 were added to the list then the mean would increase the mean would decrease the median would increase the median would decrease 1,3,3 A snack bar sells 5 items with a mean (average) price of $0.60 as shown below. Energy Bar (.45) and Cookie (.50) Which pair of items could be added to the menu without changing the average price? Energy Bar (.45) and Soda (.75) Mary earned a score between 75 and 89 on all of her previous spelling tests. She earned a score of 100 on her next test. Which of the following statements is true? The mode will increase The mean will increase The mean will decrease The median will decrease selecting ten students from each homeroom selecting members of the girl's softball team selecting members of the boy's football team Wendy wants to take a survey to determine which flavor of ice cream is the most popular at her school. Which of the following methods is the best way for her to choose a random sample of the students at her school? selecting students who like Wendy's favorite flavor taking coins until she has one of every kind taking ten coins of each type from the container taking thirty coins out of the container without looking taking one coin from the container Celia has a large container in which four different kinds of coins are thoroughly mixed. She wants to take a sample of her coins to estimate which kind of coin she has the most. Which of the following methods is the best way for her to select a sample? surveying cheerleaders for the home team surveying people wearing hats for the visiting team surveying a group of people standing in line for tickets surveying people who do not live in the home team's city Jason wants to find out the most popular football team at a game between the home team and the visiting team. Which of the following methods will give him the most accurate results? A shopping mall wants to conduct a survey of the people who shop at the mall. Which would give them the most representative sample? conducting the survey at the entrance to the mall conducting the survey at one shoe store conducting the survey at all the shoe stores conducting the survey a mile away from the mall Companies II and V made the same profit No company made less than $275,000 profit No company made more than $300,000 profit Company IV made $75,000 more profit Company III Which statement is valid about the annual profits of these five companies? {(Ann,Carlos),(Ann,Lisa)} {(Ann,Dave),(Ann,Mia),(Carlos,Dave),(Carlos,Mia), (Lisa,Dave),(Lisa,Mia)} Which set shows all the possible choices of two people? {(Ann,Dave),(Carlos,Mia),(Lisa,Dave),(Lisa,Mia)} Ms. Gomez is going to choose one person from each of the two lists below to represent the class in student council. {(Ann,Dave),(Ann,Mia)} Norma has 10 black, 12 white, and 3 brown pairs of socks in one drawer. What is the probability that, without looking, Norma will pick a brown pair of socks from the drawer? 4% 12% 14% 33⅓% A drawer is filled with red and blue socks. If the probability of selecting a red sock at random is what is the probability that a blue sock will be chosen at random? 2 5 3 5 2 3 3 2 2 5 In her pocket, Kira has 2 red marbles, 2 green marbles, and 2 blue marbles that are all the same size. If Kira picks one marble out of her pocket without looking, what is the probability that it will be either red or green? ⅓ ½ ⅔ What is the probability of picking a large shirt? ⅓ ¼ ½ ⅛ 4% If Paul chooses a T-shirt without looking, what is the probability that it will be blue? 8% 40% 60% |