Statistics and Probability

Mr. Semo is making a histogram to show the scores on the last science test. He first lists the scores in a stem-and-leaf plot. How many units tall should the bar be for the interval 70-79?

• 2

• 5

• 9

• 11

The amount of each item sold at the bake sale was recorded in a line plot. Which histogram represents the same data represented in the line plot?

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During the baseball season, the total number of home runs each player made was recorded. Which histogram represents the same data shown in the circle graph?

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During the baseball season, the total number of home runs each player made was recorded. Which circle graph represents the same data shown in the histogram?

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as the number of trials in an experiment increases, the experimental probability of an event approaches the theoretical probability of the same event, meaning the difference between the experimental and theoretical probability will be closer to zero 

• fundamental counting principal 

• independent event

• inference

• law of large numbers

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

Shannon has a bag of jelly beans. She removed one jelly bean, recording the color, and then replaced it. She repeated the process 44 times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

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A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

The Probability Line above shows all possible probabilities, from 0% to 100%.

What is the probability shown with the red arrow?

• 0%

• 50%

• 75%

• 100%

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

• 1 ⁄ 16

• 1 ⁄ 2

• 1 ⁄ 4

• 1 ⁄ 8