Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. The data for the students are displayed in the provided dotplots and summary statistics are available in the provided table. M O -40.62 to 166.22 O -38.75 to 164.35 O -33.95 to 159.55 O -22.43 to 148.03 0 300 Gender n Male Female X 68 678.9 91 616.1 1J S 317.6 330.6 lu : 600 900 1200 1500 1800 2100 Number of Facebook Friends Construct a 95% confidence interval for the difference in mean number of Facebook friends for male and female students at this university. Use two decimal places in your margin of error.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. The data for the
students are displayed in the provided dotplots and summary statistics are available in the provided table.
Gender
-40.62 to 166.22
-38.75 to 164.35
-33.95 to 159.55
-22.43 to 148.03
M
0
300
Gender n
X
S
Male 68 678.9 317.6
Female 91 616.1 330.6
600 900 1200 1500 1800 2100
Number of Facebook Friends
Construct a 95% confidence interval for the difference in mean number of Facebook friends for male and female students at this
university. Use two decimal places in your margin of error.
Transcribed Image Text:Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. The data for the students are displayed in the provided dotplots and summary statistics are available in the provided table. Gender -40.62 to 166.22 -38.75 to 164.35 -33.95 to 159.55 -22.43 to 148.03 M 0 300 Gender n X S Male 68 678.9 317.6 Female 91 616.1 330.6 600 900 1200 1500 1800 2100 Number of Facebook Friends Construct a 95% confidence interval for the difference in mean number of Facebook friends for male and female students at this university. Use two decimal places in your margin of error.
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