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

TEKS.MATH.9-12.IV.D

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

TEKS.MATH.6.12C

What is the shape of the data for Lucy's Steakhouse?

• Symmetrical
• Skewed Left
• Skewed Right

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

TEKS.MATH.9-12.IV.D

What is the mode?
100, 101, 102, 100, 101, 102, 100, 101, 102, 100

• 100
• 102
• 101
• 103

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

The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week.  Let p-hat be the proportion of people in the sample who attended church.  A newspaper report claims that 40% of all U.S. adults went to church last week.  Suppose this claim is true. 
Calculate the standard deviation of the sampling distribution. 

• 0.0116
• 0.0117
• 0.0118
• 0.0119

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

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

•  28,000 km and 32,000 km.
• 24,000 km and 34,000 km.
• 26,000 km and 34,000 km.
• 27,000 km and 31,000 km.

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

The salaries of the employees in a company are listed below:

$28,000 $45,000

$31,000 $42,000

$55,000 $72,000

$88,000 $53,000

If $88,000 was found to be an outlier, which salary would be the new maximum?

• $55,000

• $28,000

• $88,000

• $72,000

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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

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

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

How do you find the median of a data set that has two middle numbers?

• You pick the higher middle number

• You pick the lower middle number

• Add the two middle numbers and divide it by 2

• Subtract the two middle numbers and divide by 2

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