Chatterbug, a social networking site on the Internet, would like to determine if gender is related to number of minutes per day spent on a Chatterbook account. A random sample of 239 users was taken with the following results:
Chatterbug, a social networking site on the Internet, would like to determine if gender is related to number of minutes per day spent on a Chatterbook account. A random sample of 239 users was taken with the following results:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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V o is Select an answer
sample statistic
(d) Experiment:
Symbol of the sample statistic:
Op
On - 12
Or
Op
O Pp
Ομ
ox
Value of the sample statistic rounded to 2 decimal places:
P-value of the sample statistic rounded to 4 decimal places:
(e) Conclusion: Fail to reject H0
o at a =
(f) Answer the question: Is gender related to time (minutes per day) spent on a Chatterbug account?
O No, because gender and time spent on Chatterbug are independent, p is greater than a.
O Yes, because gender and time spent on Chatterbug are dependent, p is less than a.
O Yes, because gender and time spent on Chatterbug are dependent, p is greater than a.
O No, because gender and time spent on Chatterbug are independent, p is less than a.
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Transcribed Image Text:Chatterbug, a social networking site on the Internet, would like to determine if gender is related to
number of minutes per day spent on a Chatterbook account. A random sample of 239 users was taken with
the following results:
Time spent on Chatterbug
Gender 1- 25 minutes per day 25 - 50 minutes per day More than 50 minutes per day
Males
Females
51
32
29
50
27
50
Conduct a hypothesis test based on this sample data, with a = 1%. Based on the sample data can
Chatterbug conclude that gender is related to time (minutes per day) spent on a Chatterbug account?
(a) State the hypotheses:
Hn: The Select an answer
v time spent on Chatterbug and gender Select an answer
Ha: The Select an answer
v time spent on Chatterbug and gender Select an answer
(b) Choose the correct distribution:
O Normal Distribution
O Chi-Square Distribution
OT-Distribution
(e) State the decision rule:
Reject HO and accept Ha v
d at a =
% if the p-value of the
sample statistic
vv * is Select an answer
(d) Experiment:
Symbol of the sample statistic:
# No
3.
24
%
6.
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