QUESTION 17 Lena finds that, in a sample of 36 children, the mean age at which they first begin to combine words is 20.7 months, with a standard deviation of 1.95 months. Identify the correct critical value that you would use to find a 95% confidence interval. O z = 1.960 O t = 2.030 O t = 2.028

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
QUESTION 17
Lena finds that, in a sample of 36 children, the mean age at which they first begin to combine words is 20.7 months, with a standard deviation of 1.95
months.
Identify the correct critical value that you would use to find a 95% confidence interval.
z = 1.960 O t= 2.030 O t = 2.028
Transcribed Image Text:QUESTION 17 Lena finds that, in a sample of 36 children, the mean age at which they first begin to combine words is 20.7 months, with a standard deviation of 1.95 months. Identify the correct critical value that you would use to find a 95% confidence interval. z = 1.960 O t= 2.030 O t = 2.028
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman