Basic Applied Statistics 200
Solutions to Practice Midterm 1
-
- (iii)
- (i),(ii),(iv)
- none
- (iii)
- (i)
- (ii)
-
- taking CoQ10 or not
- (ii)
- migraines...
- (ii)
- (i)
- (b)
-
- mean plus or minus 2 sds: 600 to 1000 g
- mean minus 3 sds: 500 g
- z=(740-800/100=-.6
- a bit light
-
- (ii) 150 AD (centered around higher numbers)
- (ii)150 AD (box is taller)
- (i) 5 cm (the other options are too large)
- (v) both symmetric
- (i)
-
- 29/1200=.024
- 50/3000=.017
- (i)
- .017(1800)=30
- (ii)
- (i)
-
- (iv)
- (iv)
-
- (i)
- (i)
-
- size
- 15.9 (the slope)
- (vi) .83 (positive square root of .687)
- -141+15.9(40)=495 thousand dollars
- 523-495=+28 thousand dollars
- S=59.62
- (ii)
- (i) increase
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