Statistics Unit Review

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.

Shyanne asked her friends how many times they shop out of town each year. These were the responses: 11, 10, 2, 12, 11, 11, 12, 6. What is the mode (most common) times for out of town shopping?

• 12

• 11

• 6

• 11 and 12

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. What is the first thing she needs to do?

• Find the middle (median).

• Order the numbers from least to greatest.

• Find the mean by adding and then dividing.

• Draw a box plot.

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. So she needs to find the 5-number summary. What is the minimum of the data?

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. She needs to find the 5-number summary. What is the First Quartile (Q1)? TIP: You should not get a decimal number.

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. She needs to find the 5-number summary. What is the median? TIP: You should not get a decimal number.

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. She needs to find the 5-number summary. What is the Third Quartile (Q3)? TIP: You should not get a decimal number.

Frances needs to make a box plot from this set of data. 7, 6, 6, 9, 3, 2, 8, 3, 11, 4. She needs to find the 5-number summary. What is the maximum?

Mrs. Sanchez made a box plot to record her first period's quiz scores. Based on the data in the box plot, which statement could be true?

• There is the same number of students with a grade below 64 as students who scored above a 64.

• The most common grade was a 64.

• The range of scores is 95.

• There are more students who scored between a 30 and 60 than a 60 and 70.