Unit 10 Data and Statistics

How would you describe the data shown on the line plot?

Which of the following statements is true?

• The data is skewed left because the mean is less than the median.

• The data is skewed left because the median is less than the mean.

• The data is skewed right because the mean is less than the median.

• The data is skewed right because the median is less than the mean.

Answer explanation

You would have to find the mean and median to determine the values of each.

What is true about the data?

• There is an outlier at 2.

• There is an outlier at 5.

• There is an outlier at 7.

• There is an outlier at 8.

Jarrett recorded the number of points four basketball players scored in the previous seven games.  He ordered the number of points from least to greatest.

Buddy: 19, 22, 24, 27, 27, 27, 28

De’Aaron: 14, 17, 20, 21, 23, 23, 25

Marvin: 9, 11, 11, 12, 12, 17, 24

Richaun: 10, 13, 13, 14, 15, 15, 18

When placed on a line plot, which player’s data is symmetrical?

• Buddy

• De’Aaron

• Marvin

• Richaun

Answer explanation

You may need to make your own line plot for each player.

Aiden asked 24 students at his school how many times they had attended a cinema to watch a movie in the last year.  Those results are shown in the table.  Which line plot represents the data accurately?

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How many people gave the movie a score lower than or equal to 60?

• 5

• 10

• 15

• 25

Jan asked her coworkers how much they spent, monthly, on groceries.  That data is shown below.

$350, $400, $450, $425, $400, $500, $550, $575, $560, $520, $625, $650, $700, $725, $750, $800

Which of the frequency tables shows the data correctly?

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From the data, what was the most common age for male Oscar Winners (Box Plot B)?

• 38 to 51

• 29 to 61

• 42 to 51

• 52

Miriam is conducting doing a statistics project collecting numerical data. Which of the following might be the answer to her statistical question?

• "25"

• "no"

• "January 1, 2022"

• "2, 0, 3, 5, and 3"

Carlos wants to measure variability among his 6th grader classmates with his project. Which question would BEST help Carlos show the variability among his classmates?

• What grade are you currently in?

• Which middle school do you attend?

• What is the name of your math teacher?

• How much do you weigh?

Micha is writing a statistical question for his project, but every time he writes a question, his teacher tells him his question is not statistical. Which of these "tips" could you give Micha to help him write his statistical question?

• Statistical questions have to be numerical.

• Statistical questions have to anticipate variability.

• Statistical questions must be categorical.

• Statistical questions must have one and only one right answer.