Finding Standard Deviation from a Sample

Finding Standard Deviation from a Sample

12th Grade

20 Qs

quiz-placeholder

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Finding Standard Deviation from a Sample

Finding Standard Deviation from a Sample

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

The Population

The Sample

The Sampling Distribution

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.  (Check to see if the 10% condition is met first)

0.0116

0.0117

0.0118

0.0119

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The mean age of a dinosaur fossil in a particular fossil bed is 85 million years. The standard deviation of the fossil ages from this bed is 2.5 million years. At least __________ of fossils in this bed are between 80 and 90 million years old.

75 %

88.89 %

2%

70%

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?

0.53

0.41

0.35

0.22

6.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

What is the sample standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

6.89

10.1

7.26

9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the sample standard deviation for the data given: 5, 10, 7, 12, 0, 20, 15, 22, 8, 2. Round the mean to whole number.

6.89

10.1

7.26

9

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