Statistics question a.3

label Statistics
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

May 1st, 2015

xbar1-xbar2 = 70.5-64.8 =5.7

standard error =0.88

critical value =1.701

margin of error =1.701*0.88 = 1.49688=1.50

lower limit =5.7-1.5 =4.2

upper limit =5.7+1.5 =7.2

May 1st, 2015

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May 1st, 2015
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May 1st, 2015
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