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Category > Statistics Posted 15 Jun 2017 My Price 7.00

he following data represent the birth weights at an inner-city hospital in a large eastern city

The following data represent the birth weights at an inner-city hospital in a large eastern city:

2.4

3.3

4.1

5.0

5.1

5.2

5.6

5.8

5.9

5.9

6.0

6.1

6.2

6.3

6.3

6.4

6.4

6.5

6.7

6.8

7.2

7.4

7.5

7.5

7.6

7.6

7.7

7.8

7.8

7.9

7.9

8.3

8.5

8.8

9.2

9.7

9.8

9.9

10.0

10.3

10.5

 

(a) Plot this in a stem-and-leaf diagram.

(b) Find the sample mean  width=.

(c) Find the sample median.

(d) Find the sample standard deviation s.

(e) What proportion of the data lies within  width=

(f) Do the data appear to be approximately normal?

 

(g) If your answer to (f) is yes, what would you have estimated, based on your answers to (b) and (d), for (e)?

Answers

Alpha Geek
(8)
Status NEW Posted 15 Jun 2017 11:06 AM My Price 7.00

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file 1497525960-712957_1_636330111386133704_712957.xlsx preview (73 words )
da-----------taS-----------amp-----------le -----------Siz-----------eMe-----------anM-----------edi-----------anS-----------td.----------- De-----------via-----------tio-----------nMi-----------nim-----------umM-----------axi-----------mum-----------Sta-----------tis-----------tic-----------sSt-----------em -----------uni-----------t:S-----------tem------------an-----------d-L-----------eaf----------- Di-----------spl-----------ay -----------4 3----------- 1 -----------0 1----------- 2 -----------6 8----------- 9 -----------9 0----------- 1 -----------2 3----------- 3 -----------4 4----------- 5 -----------7 8----------- 2 -----------4 5----------- 5 -----------6 6----------- 7 -----------8 8----------- 9 -----------9 3----------- 5 -----------8 2----------- 7 -----------8 9----------- 0 -----------3 5-----------d)b-----------)c)-----------e)x------------2s-----------x+2-----------s# -----------obs-----------%f)-----------yes----------- by----------- em-----------per-----------ica-----------l r-----------ule-----------g)Â----------- 68-----------% o-----------f d-----------ata----------- fa-----------lls----------- wi-----------thi-----------n t-----------he -----------fir-----------st -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion----------- fr-----------om -----------the----------- me-----------an.----------- 95-----------% f-----------all----------- wi-----------thi-----------n t-----------wo -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion-----------s. -----------99.-----------7% -----------fal-----------l w-----------ith-----------in -----------thr-----------ee -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion-----------s. -----------
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