T-Test One-Sample Statistics N Mean Std. Deviation Std. Error Mean FBfriends 40 358.40 181.796 28.745 One-Sample Test Test Value = 300 95% Confidence Interval of the Difference Mean Difference df Sig. (2-tailed) Lower Upper FBfriends 2.032 39 .049 58.400 .26 116.54
T-Test One-Sample Statistics N Mean Std. Deviation Std. Error Mean FBfriends 40 358.40 181.796 28.745 One-Sample Test Test Value = 300 95% Confidence Interval of the Difference Mean Difference df Sig. (2-tailed) Lower Upper FBfriends 2.032 39 .049 58.400 .26 116.54
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Your friend claims that he heard that the average number of Facebook friends was 300 in 2010. You suspect that that the average has increased.
1. At the .05 significance level, what decision do you make?
2. Write a conclusion for your friend explaining your decision without using statistical symbols.
![T-Test
One-Sample Statistics
Mean
Std. Deviation Std. Error Mean
FBfriends
40
358.40
181.796
28.745
One-Sample Test
Test Value = 300
95% Confidence Interval of the
Difference
Mean
df
Sig. (2-tailed)
Difference
Lower
Upper
FBfriends
2.032
39
.049
58.400
.26
116.54](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fdf336d-4f09-474f-8885-c9f1cef645bf%2Fde8d44ca-2e10-4e1a-a84a-ba2794c1cdeb%2F0t7zgx_processed.png&w=3840&q=75)
Transcribed Image Text:T-Test
One-Sample Statistics
Mean
Std. Deviation Std. Error Mean
FBfriends
40
358.40
181.796
28.745
One-Sample Test
Test Value = 300
95% Confidence Interval of the
Difference
Mean
df
Sig. (2-tailed)
Difference
Lower
Upper
FBfriends
2.032
39
.049
58.400
.26
116.54
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