ch6 - 6-1 CHAPTER 6 Section 6-16-1. Sample average:

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 6-1 CHAPTER 6 Section 6-16-1. Sample average: mm0044.748035.5921===&=nxxniiSample variance: ( )222112281281)mm(000022414.70001569.188035.59218031.43813103118.43813035.592==--=--===&&&&====nnxxsxxniiniiiiiiSample standard deviation: mm00473.000022414.==sThe sample standard deviation could also be found using ()sxxniin=--=&211where ()xxii-==&2180 0001569.Dot Diagram: .. ...: . -------+---------+---------+---------+---------+---------diameter 73.9920 74.0000 74.0080 74.0160 74.0240 74.0320 There appears to be a possible outlier in the data set. 6-2 6-2. Sample average: min359.141982.27219191===&=iixxSample variance: ( )22211221912191(min)47.3561849.64161191982.2728964.1033318964.1033382.272==--=--===&&&&====nnxxsxxniiniiiiiiSample standard deviation: min88.1847.356==sThe sample standard deviation could also be found using ()sxxniin=--=&211where ( )49.64161912=-&=iixx6-3 6-3. Sample average: yardsx1.70681284817==Sample variance: ( )( )22211221912121265.513021192.5643241121284817600057949160005794984817yardsnnxxsxxniiniiiiii==--=-&-=======Sample standard deviation: yardss5.226265.51302==The sample standard deviation could also be found using ( )112--==nxxsniiwhere ( )92.5643241212=-=iixxDot Diagram: (rounding was used to create the dot diagram) . . : .. .. : : -+---------+---------+---------+---------+---------+-----C1 6750 6900 7050 7200 7350 7500 6-4 6-4. Sample mean: kN22.12618227218181===&=iixxSample variance: ( )22211221812181)kN(24.6831711.1161511818227229839212983922272==--=--===&&&&====nnxxsxxniiniiiiiiSample standard deviation: kN14.2624.683==sThe sample standard deviation could also be found using ( )112--=&=nxxsniiwhere ( )11.116151812=-&=iixxDot Diagram: . : :: . :: . . : . . +---------+---------+---------+---------+---------+-------yield 90 105 120 135 150 165 6-5. Sample average: 6-5 975.4388.351==xSample variance: ( )143.1517998.10571888.351043.165281403.165288.351221122191281==--=-&-=======nnxxsxxniiniiiiiiSample standard deviation: 294.12143.151==sThe sample standard deviation could also be found using ( )112--==nxxsniiwhere ( )998.1057812=-=iixxDot Diagram: . . .. . .. . +---------+---------+---------+---------+---------+------- 24.0 32.0 40.0 48.0 56.0 64.0 6-6 6-6. Sample average: 2351/514.810352836835mwattsxxii===&=Sample variance: ( )222211221912191)/(61.1646534743.55983013535283682355250012355250028368mwattsnnxxsxxniiniiiiii==--=--===&&&&====Sample standard deviation: 2/32.12861.16465mwattss==The sample standard deviation could also be found using ( )112--=&=nxxsniiwhere ( )743.5598303512=-&=iixx6-7.44.512706905==; The value 5.44 is the population mean since the actual physical population of all flight times during the operation is available. 6-7 6-8 a.) Sample average: mmnxxnii173.2956.191===&=b.) Sample variance: ( )222112291291)(4303....
View Full Document

This note was uploaded on 04/09/2008 for the course MTHSC 301 taught by Professor Any during the Spring '08 term at Clemson.

Page1 / 53

ch6 - 6-1 CHAPTER 6 Section 6-16-1. Sample average:

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online