TEKS.MATH.9-12.IV.D.1

Ms. Hernandez began her math class by saying:
I'm thinking of 5 numbers such that their mean is equal to their median. If 4 of the numbers are 14, 8, 16, and 14, what is the 5th number?What is the 5th number Ms. Hernandez is thinking of?

• 14
• 15
• 16
• 18

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TEKS.MATH.9-12.IV.D.1

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91
• 273

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TEKS.MATH.9-12.IV.D.1

Find the Mode of the data set

• 82
• 86
• 88
• 92

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TEKS.MATH.9-12.IV.D.1

These symbols represent the mean and standard deviation for which of the following distributions?

• The Population
• The Sample
• The Sampling Distribution

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TEKS.MATH.9-12.IV.D.1

Which restaurant has a higher median wait time?

• Lucy's Steakhouse
• Gary's Grill
• They are the same

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TEKS.MATH.9-12.IV.D.1

A bowler had the following scores after 5 games:
 196, 205, 197, 280, and 202.
How much does the bowler’s mean score increase if the outlier is considered, compared to if the outlier is not considered?

• 13
• 16
• 19
• 22

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TEKS.MATH.9-12.IV.D.1

The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number?

• 64
• 55
• 48
• 60

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TEKS.MATH.9-12.I.B

TEKS.MATH.9-12.IV.D.1

First Quartile is

• A. also called the upper quartile.
• B. a value that is much higher or much lower than the other values in a set of data.
• C. also called the lower quartile.
• D. the value appearing at the center of a set of data that has been sorted in numerical order.

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TEKS.MATH.9-12.IV.D.1

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

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TEKS.MATH.9-12.IV.D.1

The table above shows a television station's advertisement sales. The distribution of sales for one 24-hour day is given. Solve for the standard deviation. Round to the nearest hundredth.

• 45.81

• 266.2

• 16.30

• 0.20

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TEKS.MATH.9-12.IV.D.1