Test 1 - test01_s

Per cent age 50 pts 12 7a ns wer each oft f l i about

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Unformatted text preview: age= 50% ( pts) 12 7.A ns wer each oft f l i about t z- cor he olow ng he s e. ( ( s Fi t z- cor f t val of88,w hen t m ean i 95 and t s andar devi i i 7. a) 3pt ) nd he s e or he ue he s he t d at on s z = − 1. 00 z = − 0. 85 z = 0. 85 z = − 1. 14 STA 2028/T 1 – Page 3 of4 – N am e: ( ( s Fi t z- cor f t val of75,w hen t m ean i 57 and t s andar devi i i 3. b) 3pt ) nd he s e or he ue he s he t d at on s z = 1. 26 z = − 1. 26 z = 5. 67 z = 6. 00 (c) ( s Tes s es f a s at s i cl s had a m ean of 79 w i h a s andar devi i of 4. Tes 6pt ) t cor or t i t cs as t t d at on 5. t s es f a m at cl s had a m ean of69 w i h a s andar devi i of3. Suppos a s udent uch cor or h as t t d at on 7. et ,s asyour el,get 84 on t s at s i es sf sa he t i t cst tand a 76 on t m at t t C al at t s udent sz- cor he h es . cul e he t ’se f each oft t t . O n w hi t t di t s udent per or bet er or he es s ch es d he t fm t? z- cor f St .Tes s e or at t= 1. 1 z- cor f M at Tes s e or h t= 1. 9 T he s udent per or ed bet er was on t t fm t he ( pts) 5 m at h t t ( t i t cs or m at es . s at s i h) 8.I a r n andom s pl am e,10 s udent wer as t s e ked t com put t di t o e he s ance t hey t avelone way t s r o choolt o t near t t h ofa m ie. T he r...
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