A) Mean sales per week exceeds 41.5 per salesperson
.   Ho: mu=41.5
    HA: mu.>41.5
    bar over x=51.02
     n=100
     mu0=41.5
     Square root of...
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A) Mean sales per week exceeds 41.5 per salesperson
.   Ho: mu=41.5
    HA: mu.>41.5
    bar over x=51.02
     n=100
     mu0=41.5
     Square root of 100=10
t=51.02-41.5 / 6.8 square root 100
51.02-41.5/6.8 / square root 100
CI =( 50.17, 52.83)
Bar over X +/-Â Â t. s/sq.rt of n
Excel command=T.DIST.RT(t-1) p-value close to 0
Bar over x,t=1.96,S=6.8,N=100
51.5 +/- (1.96) times (6.8 / sq.rt. 100 )=1.3328
(50.1672, 52.8328) 95 % C.I.
FOUND THE INFORMATION ABOVE WHAT IS THE F-VALUE
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