
Elearning 2/17- Confidence Interval Practice
Authored by Kyle Anderson
Mathematics
10th Grade - University
Used 1+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A sample size of n = 64 is drawn from a population whose standard deviation is σ = 5.6.
Find the margin of error for a 99% confidence interval for µ.
1.799
1.798
1.803
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A large sample has mean of 7.1 and Standard Error of 2.3.
Construct a 90% Confidence Interval for the population mean µ (to two decimal places).
(3.32, 10.88)
(3.8, 7.1)
(3.3, 10.9)
(3.3165, 10.8835)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An IQ test was given to a simple random sample of 75 students at a certain college. The sample mean score was 105.2. Scores on this test are known to have a standard deviation of 10. It is desired to construct a 90% confidence interval for the mean IQ scores of the students at the college.
What is the point estimate?
75
105.2
10
0.90
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An IQ test was given to a simple random sample of 75 students at a certain college. The sample mean score was 105.2. Scores on this test are known to have a standard deviation of 10. It is desired to construct a 90% confidence interval for the mean IQ scores of the students at the college.
Find the critical value.
0.90
1.155
1.645
±1.645
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the t value associated with 90% confidence and a sample size of 15?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the degrees of freedom equal to?
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A local bank needs information concerning the savings account balances of its customers. A random sample of 13 accounts was checked. The mean balance was $686.75 with a sample standard deviation of $256.20. Find a 95% confidence interval for the true mean.
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
11 questions
Moments and Moment Generating Function
Quiz
•
University
10 questions
Pre-Quiz Cal1
Quiz
•
University
11 questions
Algebra: Solving Linear Equations
Quiz
•
University
10 questions
THREE DIMENSIONAL GEOMETRY
Quiz
•
11th Grade
10 questions
MATHS 10 REVISION 3
Quiz
•
9th - 10th Grade
11 questions
Super easy quiz
Quiz
•
9th - 12th Grade
15 questions
Math 1110 -- College Algebra Midterm Review
Quiz
•
University
10 questions
Rational Function
Quiz
•
11th Grade
Popular Resources on Wayground
5 questions
This is not a...winter edition (Drawing game)
Quiz
•
1st - 5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
10 questions
Identify Iconic Christmas Movie Scenes
Interactive video
•
6th - 10th Grade
20 questions
Christmas Trivia
Quiz
•
6th - 8th Grade
18 questions
Kids Christmas Trivia
Quiz
•
KG - 5th Grade
11 questions
How well do you know your Christmas Characters?
Lesson
•
3rd Grade
14 questions
Christmas Trivia
Quiz
•
5th Grade
20 questions
How the Grinch Stole Christmas
Quiz
•
5th Grade
Discover more resources for Mathematics
10 questions
Identify Iconic Christmas Movie Scenes
Interactive video
•
6th - 10th Grade
33 questions
Algebra 1 Semester 1 Final 2025
Quiz
•
8th - 10th Grade
10 questions
Exploring Global Holiday Traditions
Interactive video
•
6th - 10th Grade
10 questions
Guess the Christmas Movie by the Scene Challenge
Interactive video
•
6th - 10th Grade
10 questions
Guess the Christmas Songs Challenge
Interactive video
•
6th - 10th Grade
10 questions
Test Your Christmas Trivia Skills
Interactive video
•
6th - 10th Grade
10 questions
Exploring the Grinch's Christmas Heist
Interactive video
•
6th - 10th Grade
20 questions
Christmas Lyrics
Quiz
•
12th Grade