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Category > Statistics Posted 03 May 2017 My Price 5.00

Sample of 35 chemists from Washington State shows

Sample of 35 chemists from Washington State shows an average salary of $39,420 with a standard deviation of $1659, while a sample of 40 chemists from New Mexico has an average salary of $30,215 with a standard deviation of $4116. Is there a significant difference between the two states in chemists’ salaries at alpha = 0.02? Find the 98% confidence interval of the difference in the means.

 

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Alpha Geek
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Status NEW Posted 03 May 2017 03:05 PM My Price 5.00

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file 1493825367-answer1.docx preview (117 words )
S-----------amp-----------le -----------of -----------35 -----------che-----------mis-----------ts -----------fro-----------m W-----------ash-----------ing-----------ton----------- St-----------ate----------- sh-----------ows----------- an----------- av-----------era-----------ge -----------sal-----------ary----------- of----------- $3-----------9,4-----------20 -----------wit-----------h a----------- st-----------and-----------ard----------- de-----------via-----------tio-----------n o-----------f $-----------165-----------9, -----------whi-----------le -----------a s-----------amp-----------le -----------of -----------40 -----------che-----------mis-----------ts -----------fro-----------m N-----------ew -----------Mex-----------ico----------- ha-----------s a-----------n a-----------ver-----------age----------- sa-----------lar-----------y o-----------f $-----------30,-----------215----------- wi-----------th -----------a s-----------tan-----------dar-----------d d-----------evi-----------ati-----------on -----------of -----------$41-----------16.----------- Is----------- th-----------ere----------- a -----------sig-----------nif-----------ica-----------nt -----------dif-----------fer-----------enc-----------e b-----------etw-----------een----------- th-----------e t-----------wo -----------sta-----------tes----------- in----------- ch-----------emi-----------sts-----------’----------- sa-----------lar-----------ies----------- at----------- al-----------pha----------- = -----------0.0-----------2? -----------Fin-----------d t-----------he -----------98%----------- co-----------nfi-----------den-----------ce -----------int-----------erv-----------al -----------of -----------the----------- di-----------ffe-----------ren-----------ce -----------in -----------the----------- me-----------ans-----------. -----------May----------- 11----------- 20-----------16 -----------08:-----------30 -----------AM ----------- Gi-----------ven-----------, ----------- Fi-----------rst-----------
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