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Category > Statistics Posted 24 May 2017 My Price 4.00

The mean amount µ for all of the invoices for your company last month

 

The mean amount µ for all of the invoices for your company last month is not known. Based on your past experience, you are willing to assume that the standard deviation of invoice amounts is about $210. If you take a random sample of 90 invoices, what is the value of the standard deviation for x?
 
 

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Status NEW Posted 24 May 2017 06:05 AM My Price 4.00

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file 1495609253-Answer.docx preview (81 words )
T-----------he -----------mea-----------n a-----------mou-----------nt -----------µ -----------for----------- al-----------l o-----------f t-----------he -----------inv-----------oic-----------es -----------for----------- yo-----------ur -----------com-----------pan-----------y l-----------ast----------- mo-----------nth----------- is----------- no-----------t k-----------now-----------n. -----------Bas-----------ed -----------on -----------you-----------r p-----------ast----------- ex-----------per-----------ien-----------ce,----------- yo-----------u a-----------re -----------wil-----------lin-----------g t-----------o a-----------ssu-----------me -----------tha-----------t t-----------he -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion----------- of----------- in-----------voi-----------ce -----------amo-----------unt-----------s i-----------s a-----------bou-----------t $-----------210-----------. I-----------f y-----------ou -----------tak-----------e a----------- ra-----------ndo-----------m s-----------amp-----------le -----------of -----------90 -----------inv-----------oic-----------es,----------- wh-----------at -----------is -----------the----------- va-----------lue----------- of----------- th-----------e s-----------tan-----------dar-----------d d-----------evi-----------ati-----------on -----------for----------- x?----------- M-----------ay -----------06 -----------201-----------2 1-----------0:3-----------3 P-----------M -----------Ans-----------wer----------- H-----------ere----------- we----------- ar-----------e g-----------ive-----------n t-----------hat----------- me-----------an -----------amo-----------unt----------- is----------- no-----------t k-----------now-----------n. -----------Sta-----------nda-----------rd -----------dev-----------iat-----------ion----------- of----------- th-----------e p-----------opu-----------lat-----------ion----------- (f-----------rom----------- th-----------e p-----------ast-----------
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