
Confidence Interval Large Means
Authored by Anthony Clark
Mathematics
12th Grade

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose that a confidence interval for hours worked by students was computed to be (8.82, 10.78). Which of these is a valid interpretation of this confidence interval?
There is a 95% probability that the average number of hours worked by all students is between 8.82 and 10.78 hours.
There is a 95% probability that a randomly selected student worked between 8.82 and 10.78 hours.
We are 95% confident that the population average number of hours worked by all students is between 8.82 and 10.78 hours.
We are 95% confident that the average number of hours worked by the students in our sample is between 8.82 and 10.78 hours.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The larger your confidence interval is, the more sure (higher confidence level) you can be.
True
False
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do we use to estimate unknown parameters?
Hypothesis Test
Confidence Interval
Trig Identity
Guess and check
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You have an SRS of 23 observations from large population. The distribution of sample values is roughly symmetric with no outliers. What critical value would you use to obtain a 98% confidence interval for the mean of the population?
2.177
2.183
2.326
2.500
2.508
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A quality control inspector will measure the salt content (in milligrams) in a random sample of bags of potato chips from an hour of production. Which of the following would result in the smallest margin of error in estimating the mean salt content σ ?
90% confidence; n = 25
90% confidence; n = 50
95% confidence; n =25
95% confidence; n =50
n=100 at any confidence level
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What interval should be used?
2 Sample t interval for means
Paired t interval
Paired t test
1 proportion z interval
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What interval should be used?
2 Proportion z interval
1 Proportion t interval
1 Proportion z interval
Chi Square for Goodness of Fit
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
10 questions
Summer Camp Quiz Prepared By- Dr. Meenu
Quiz
•
9th - 12th Grade
10 questions
LA MINI FEST 7.2
Quiz
•
University
15 questions
Equivalent Fraction
Quiz
•
5th Grade - University
15 questions
Probability Practice
Quiz
•
11th - 12th Grade
10 questions
Basic Chain Rule Practice
Quiz
•
11th - 12th Grade
16 questions
Promedios
Quiz
•
1st - 12th Grade
10 questions
Ch. 2-1 Deductions from Gross Pay
Quiz
•
11th - 12th Grade
10 questions
Tree and Planar Graph
Quiz
•
University
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
29 questions
Alg. 1 Section 5.1 Coordinate Plane
Quiz
•
9th Grade
22 questions
fractions
Quiz
•
3rd Grade
11 questions
FOREST Effective communication
Lesson
•
KG
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
Discover more resources for Mathematics
20 questions
SSS/SAS
Quiz
•
9th - 12th Grade
14 questions
Making Inferences From Samples
Quiz
•
7th - 12th Grade
23 questions
CCG - CH8 Polygon angles and area Review
Quiz
•
9th - 12th Grade
20 questions
Domain and Range Spiral Review
Quiz
•
9th - 12th Grade
10 questions
Dividing a polynomial by a monomial
Quiz
•
10th - 12th Grade
16 questions
Explore Triangle Congruence Theorems
Quiz
•
9th - 12th Grade
17 questions
Interpreting Graphs Of Functions
Quiz
•
8th - 12th Grade
15 questions
Explore Exponential Functions and Their Applications
Quiz
•
9th - 12th Grade