Twoike dflonent ideo games showing substance use are oberved and the daration ti
ID: 3262953 • Letter: T
Question
Twoike dflonent ideo games showing substance use are oberved and the daration times of game play On seconds) are listed below. The design of the shuedly bustfins the assumption that the sample can be troated as a simple random sample Unethe data to oenstud a 96% oodience intervai estrate ofp.the mea,dnionofgame Puy Clck here to view.atdstribution Seble Cick here to view page 2 of the standand normal dstribution table What is the confidance interval estimale of the population mean ? 4316 4850 4849 4032 5012 4823 4343 4310 Round to one decimal place as needed) Enter your answer in the edit felds and then click Check Answer All parts showingExplanation / Answer
= 395.09
from these caluclations we have mean = 4343
standard deviation = 395.09
n =12
df= n-12= 11
95% c.i t crictival value 0.05 when df = 11 from standard t table is 2.201
we have formulea
x^ +- t critical value * s/sqrtn
4343+-2.201*395.09/sqrt12
4343+-251.0299 ( rounding to 251)
[4092,4594]
Mean of set () = 52116 = 4343 12Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.