6th Statistics PreTest

Here is a list of questions about the students and teachers at a school. Select the questions that are statistical questions.

• What is the most popular lunch choice?

• What school do these students attend?

• How do students usually travel from home to school?

Here is a list of questions about the students and teachers at a school. Select the questions that are statistical questions.

• How many math teachers are in the school?

• What is a common age for teachers at the school?

• About how many hours of sleep do students generally get on a school night?

The data display shows the distribution of quiz scores for Ms. Engel's first period math class.

Which statement best describes the distribution of the data?

• The distribution of the set of data is skewed left.

• The distribution of the set of data is skewed right.

• The distribution of the set of data has a gap between 18 and 20 points earned.

• The distribution of the set of data is clustered between 12 and 16 points earned.

The following sets of data show the high temperatures in four different cities for a week in December.

Which set of data has the greatest spread?

• {3, 12, 25, 34, 51}

• {5, 11, 18, 23, 35}

• {22, 25, 29, 34, 63}

• {36, 45, 48, 52, 55}

Which quantitative measures describe the variation in a data set?

• mean

• range

• median

• interquartile range

• mean absolute deviation

Which quantitative measures describe the center in a data set?

• mean

• range

• median

• interquartile range

• mean absolute deviation

A baby furniture store has a number of different dressers. The table below shows the number of dressers and their heights. Which histogram matches the table?

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Which box plot correctly displays the data set shown below?

2, 5, 7, 2, 11, 13, 5, 7, 1, 10, 10, 2, 3, 5, 1, 11

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Janet surveyed a group of high school students. She recorded the data she collected on the plot.

How many students did Janet survey?

(NUMBER ONLY)

Reggie recorded the number of pages he read each day for five days.

The dot plot shows his data.

The mean number of pages that Reggie read during the five days is 32.

What is the mean absolute deviation (MAD) of the data? Round your answer to the nearest tenth.