Central Limit Theorem (Pocket Change) Quiz
The question sheet
Reveal any answer as you study-
What is the student learning outcome for this lab?
- Estimate confidence intervals
- Compare properties of the CLT
- Solve linear equations
- Build contingency tables
Reveal answer
Answer: Compare properties of the CLT
Source evidence
PDF page 410: • The student will demonstrate and compare properties of the central limit theorem.
-
According to the text, this lab works best when:
- Sampling from several classes combined
- Using a single small class
- Avoiding any data collection
- Using only theoretical data
Reveal answer
Answer: Sampling from several classes combined
Source evidence
PDF page 410: This lab works best when sampling from several classes and combining data.
-
In the Collecting Averages of Pairs activity, what do you record?
- The change of 30 classmates
- The average of 30 groups of five
- The average change of 30 pairs
- A single person's change
Reveal answer
Answer: The average change of 30 pairs
Source evidence
PDF page 410: the general shape of the curve. Collecting Averages of Pairs: Repeat steps one through five of the section Collect the Data with one exception. Instead of recording the change of 30
PDF page 411: classmates, record the average change of 30 pairs.
-
In Collecting Averages of Groups of Five, you record:
- The change of 30 classmates
- One group's total change
- The average change of 30 groups of five
- The average change of 30 pairs
Reveal answer
Answer: The average change of 30 groups of five
Source evidence
PDF page 411: the general shape of the curve. Collecting Averages of Groups of Five: Repeat steps one through five (of the section titled Collect the Data), with one exception. Instead of recording the change of 30 classmates, record the average change of 30 groups of five.
-
According to the instructions, how should you draw the graph?
- Using a ruler and a pencil
- With computer software only
- Using colored crayons
- Freehand with a marker
Reveal answer
Answer: Using a ruler and a pencil
Source evidence
PDF page 411: the graph using a ruler and a pencil.
PDF page 412: the graph using a ruler and a pencil.
-
For the Collecting Averages of Pairs activity, how many pairs' averages are recorded?
- 50
- 5
- 15
- 30
Reveal answer
Answer: 30
Source evidence
PDF page 411: classmates, record the average change of 30 pairs.
-
For Collecting Averages of Groups of Five, how many group averages are recorded?
- 60
- 30
- 15
- 5
Reveal answer
Answer: 30
Source evidence
PDF page 411: the general shape of the curve. Collecting Averages of Groups of Five: Repeat steps one through five (of the section titled Collect the Data), with one exception. Instead of recording the change of 30 classmates, record the average change of 30 groups of five.
-
Both averaging activities repeat which steps of Collect the Data?
- Steps one through five
- Only the last step
- All ten steps
- Steps two through six
Reveal answer
Answer: Steps one through five
Source evidence
PDF page 410: the general shape of the curve. Collecting Averages of Pairs: Repeat steps one through five of the section Collect the Data with one exception. Instead of recording the change of 30
PDF page 411: the general shape of the curve. Collecting Averages of Groups of Five: Repeat steps one through five (of the section titled Collect the Data), with one exception. Instead of recording the change of 30 classmates, record the average change of 30 groups of five.
-
After collecting averages, the discussion asks you to note:
- The names of classmates
- The time of day
- The general shape of the curve
- The color of the coins
Reveal answer
Answer: The general shape of the curve
Source evidence
PDF page 411: the general shape of the curve. Collecting Averages of Groups of Five: Repeat steps one through five (of the section titled Collect the Data), with one exception. Instead of recording the change of 30 classmates, record the average change of 30 groups of five.
PDF page 412: the general shape of the curve. Discussion Questions
-
The notation students complete in item 3 has the form:
- P(A AND B)
- X ~ ___(___, ___)
- Y = a + bx
- df = n - 1
Reveal answer
Answer: X ~ ___(___, ___)
Source evidence
PDF page 412: 3. X ~ _____(_____, _____)
-
What follows the averaging activities in the text?
- Discussion Questions
- A glossary
- An answer key
- A final exam
Reveal answer
Answer: Discussion Questions
Source evidence
PDF page 412: the general shape of the curve. Discussion Questions
-
The exception in the averaging activities is that instead of one person's change you record a(n):
- Maximum value
- Total sum only
- Median value
- Average change
Reveal answer
Answer: Average change
Source evidence
PDF page 410: the general shape of the curve. Collecting Averages of Pairs: Repeat steps one through five of the section Collect the Data with one exception. Instead of recording the change of 30
PDF page 411: classmates, record the average change of 30 pairs.
Statistics
Statistics by OpenStax, used under CC BY 4.0. Changes made by Stratacademy.
Make your own — free
Turn any notes into a game in under a minute. Free to start.