We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has. 1. The output contains a table with a lot of information. From the table, what is our sample size? What is the max value we observed? What is the minimum? What is our sample mean and sample standard deviation? 2. This table also gives you a 95% confidence interval (immediately below the mean). What is the interval? Give an interpretation of this interval.
We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has. 1. The output contains a table with a lot of information. From the table, what is our sample size? What is the max value we observed? What is the minimum? What is our sample mean and sample standard deviation? 2. This table also gives you a 95% confidence interval (immediately below the mean). What is the interval? Give an interpretation of this interval.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has.
1. The output contains a table with a lot of information. From the table, what is our
2. This table also gives you a 95% confidence interval (immediately below the mean). What is the interval? Give an interpretation of this interval.

Transcribed Image Text:Descriptives
Statistic
Std. Error
FBfriends
Mean
358.40
28.745
95% Confidence Interval for Lower Bound
300.26
Mean
Upper Bound
416.54
5% Trimmed Mean
358.64
Median
368.50
Variance
33049.887
Std. Deviation
181.796
Minimum
23
Maximum
728
Range
705
Interquartile Range
274
Skewness
-.053
.374
Kurtosis
-.841
.733

Transcribed Image Text:Case Processing Summary
Cases
Valid
Missing
Total
N
Percent
N
Percent
N
Percent
FBfriends
40
100.0%
0.0%
40
100.0%
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