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Category > Statistics Posted 15 Jun 2017 My Price 6.00

A high school English teacher measured the attitudes of 11th-grade students toward poetry.

A high school English teacher measured the attitudes of 11th-grade students toward poetry. After a 9-week unit on poetry, she measured the students’ attitudes again. She was disappointed to find that the mean change was zero.

Following are some representative scores. (High scores represent more favorable attitudes.) Calculate  for both before and after scores, and write a conclusion based on the standard deviations.

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Alpha Geek
(8)
Status NEW Posted 15 Jun 2017 08:06 AM My Price 6.00

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file 1497516125-2120909_1_636330217887968780_Transtutors-Vidya-Naik-140617--4-.docx preview (352 words )
Q-----------ues-----------tio-----------n: -----------A h-----------igh----------- sc-----------hoo-----------l E-----------ngl-----------ish----------- te-----------ach-----------er -----------mea-----------sur-----------ed -----------the----------- at-----------tit-----------ude-----------s o-----------f 1-----------1th------------gr-----------ade----------- st-----------ude-----------nts----------- to-----------war-----------d p-----------oet-----------ry.----------- Af-----------ter----------- a -----------9-w-----------eek----------- un-----------it -----------on -----------poe-----------try-----------, s-----------he -----------mea-----------sur-----------ed -----------the----------- st-----------ude-----------nts-----------’----------- at-----------tit-----------ude-----------s a-----------gai-----------n. -----------She----------- wa-----------s d-----------isa-----------ppo-----------int-----------ed -----------to -----------fin-----------d t-----------hat----------- th-----------e m-----------ean----------- ch-----------ang-----------e w-----------as -----------zer-----------o. ----------- Fo-----------llo-----------win-----------g a-----------re -----------som-----------e r-----------epr-----------ese-----------nta-----------tiv-----------e s-----------cor-----------es.----------- (H-----------igh----------- sc-----------ore-----------s r-----------epr-----------ese-----------nt -----------mor-----------e f-----------avo-----------rab-----------le -----------att-----------itu-----------des-----------.) -----------Cal-----------cul-----------ate----------- f-----------or -----------bot-----------h b-----------efo-----------re -----------and----------- af-----------ter----------- sc-----------ore-----------s, -----------and----------- wr-----------ite----------- a -----------con-----------clu-----------sio-----------n b-----------ase-----------d o-----------n t-----------he -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion-----------s.
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