Statistics & Probability

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6th Grade Math › Statistics & Probability

Questions 1 - 10
1

Select the description that best describes the distribution of the data shown in the provided dot plot.

4

Right skewed

Left skewed

Symmetric

Explanation

In order to answer this question correctly, we need to define our answer options:

Symmetric: A symmetric distribution will have a middle, or center, and each side from the middle will look fairly similar. Many symmetrical distributions are bell shaped, with the middle being tall, and the two sides thinning out.

Left skewed: A left skewed distribution will have most of the data on the right side of the number line.

Right skewed: A right skewed distribution will have most of the data on the left side of the number line.

The data shown in the number plot is mostly on the left side; thus, right skewed is the correct answer.

2

Mrs. Frame's class counted the number pencils that each student had in his/her desk. The distribution of this data is show in the dot plot provided. What is the most number of pencils that her students found?

1

Explanation

The dot plot is on a number line that is numbered from . is the highest number on the number line, but there are no dots above that number, which means no one found pencils in their desk. is the next highest number, and there are two dots over the number on the number line; thus, the correct answer is

3

Find the range of the data set provided:

Screen shot 2016 04 05 at 10.19.45 am

Explanation

In order to answer this question correctly, we need to recall the definition of range:

Range: The range of a data set is the difference between the highest value and the lowest value in the set.

In order to find the range, we need to first organize the data from least to greatest to find the lowest and highest values:

Next, we can solve for the difference between the highest value and the lowest value:

The range for this data set is

4

Select the description that best describes the distribution of the data shown in the provided dot plot.

4

Right skewed

Left skewed

Symmetric

Explanation

In order to answer this question correctly, we need to define our answer options:

Symmetric: A symmetric distribution will have a middle, or center, and each side from the middle will look fairly similar. Many symmetrical distributions are bell shaped, with the middle being tall, and the two sides thinning out.

Left skewed: A left skewed distribution will have most of the data on the right side of the number line.

Right skewed: A right skewed distribution will have most of the data on the left side of the number line.

The data shown in the number plot is mostly on the left side; thus, right skewed is the correct answer.

5

Select the description that best describes the distribution of the data shown in the graph.

6

Left skewed

Right skewed

Symmetric

Explanation

In order to answer this question correctly, we need to define our answer options:

Symmetric: A symmetric distribution will have a middle, or center, and each side from the middle will look fairly similar. Many symmetrical distributions are bell shaped, with the middle being tall, and the two sides thinning out.

Left skewed: A left skewed distribution will have most of the data on the right side of the number line.

Right skewed: A right skewed distribution will have most of the data on the left side of the number line.

The data shown in the number plot has most of the data on the right side; thus, left skewed is the correct answer.

6

Mrs. Frame's class counted the number pencils that each student had in his/her desk. The distribution of this data is show in the dot plot provided. What is the center of this distribution?

1

Explanation

The data in the distribution shows the number of pencils each student found in his/her desk. Each student found pencils in their desks. Based on this, and by looking at the graph, we can see that the enter of the distribution is

7

Mrs. Frame's class counted the number pencils that each student had in his/her desk. The distribution of this data is show in the dot plot provided. What is the center of this distribution?

1

Explanation

The data in the distribution shows the number of pencils each student found in his/her desk. Each student found pencils in their desks. Based on this, and by looking at the graph, we can see that the enter of the distribution is

8

Find the range of the data set provided:

Screen shot 2016 04 05 at 10.19.45 am

Explanation

In order to answer this question correctly, we need to recall the definition of range:

Range: The range of a data set is the difference between the highest value and the lowest value in the set.

In order to find the range, we need to first organize the data from least to greatest to find the lowest and highest values:

Next, we can solve for the difference between the highest value and the lowest value:

The range for this data set is

9

Find the range of the data set provided:

Screen shot 2016 04 05 at 10.19.45 am

Explanation

In order to answer this question correctly, we need to recall the definition of range:

Range: The range of a data set is the difference between the highest value and the lowest value in the set.

In order to find the range, we need to first organize the data from least to greatest to find the lowest and highest values:

Next, we can solve for the difference between the highest value and the lowest value:

The range for this data set is

10

Mrs. Frame's class counted the number pencils that each student had in his/her desk. The distribution of this data is show in the dot plot provided. What is the most number of pencils that her students found?

1

Explanation

The dot plot is on a number line that is numbered from . is the highest number on the number line, but there are no dots above that number, which means no one found pencils in their desk. is the next highest number, and there are two dots over the number on the number line; thus, the correct answer is

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