Below is the number of vocabulary words Mrs. Johnson's 3rd grade class spelled correctly on the pre-test. Describe the distribution. 2, 4, 22, 6, 1, 4, 1, 5, 7, 4

The distribution of correctly spelled vocabulary words is skewed right, with a median of 4, IQR of 4, and has one outlier.

The distribution of correctly spelled vocabulary words is symmetric, with a mean of 5.6, standard deviation of 6.1, and has two outliers.

The distribution of correctly spelled vocabulary words is skewed right, with a mean of 5.6, standard deviation of 6.1, and has one outlier.

The distribution of correctly spelled vocabulary words is skewed left, with a mean of 5.6, standard deviation of 6.1, and has one outlier.

The distribution of correctly spelled vocabulary words is skewed right, with a median of 4, IQR of 4, and has two outliers.

If the data is skewed right,

the mean will be more than the median, because the mean is being pulled by the outlier

the mean will be less than the median, because the median is being pulled by the outlier

the mean will be equal to the median because skewed means symmetric

The five-number summary consists of the

Min, Max, Median, first and third quartiles

Min, Max, Mean, first and third quartiles

If Dr. Bailey added $2 to each donation made to Relay for Life this month, what would happen to the mean and standard deviation?

the mean would change, but not the standard deviation

both the mean and standard deviation would change

the mean would stay the same, but the standard deviation would change

we cannot determine this without the data

If Dr. Bailey tripled each donation made to Relay for Life this month, what would happen to the mean and standard deviation?

both the mean and standard deviation would change

the mean would change, but not the standard deviation

the mean would stay the same, but the standard deviation would change

we cannot determine this without the data

If two samples of size 20 were taken from a population, the sample will definitely be the same.

False, since it would be a different set of 20 it could have a different mean

True, different samples from the same population will have the same mean for sure.

Is there anything misleading about the graph

The y-axis doesn't start at zero

We need more info to determine this

Is the graph misleading?

the y-axis doesn't start at zero

there is not enough info to tell

Is the graph misleading? If so, how?

Yes, it is misleading because the percentages do not add up to 100%

No, the graph is not misleading.

Yes, it is misleading because it uses categorical data.

Yes, it is misleading because animals should not be percentages.

Unit 1 Practice Test

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Mathematics

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9th - 12th Grade

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Practice Problem

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Medium

Dr. Bailey

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the symbol in the picture is the mean for

the symbol in the picture is the standard deviation for a

the graph is...

the graph is...

the graph is...

the graph is ...

the graph is...

the graph shows

A Pie Chart is

A histogram is

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