Construct a confidence interval, using the data, the level of confidence and typ

Question

Construct a confidence interval, using the data, the level of confidence and type of confidence interval(sum or average) are up to you.

Year New York City Population NYC Consumpton(Mill on gallons per day) Per Capita Gallons per person per day) 1979 1980 1981 1982 -1983 -1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 -1994 1995 1996 -1997 1998 -1999 2000 102,100 71,639 089,241 ,109,105 181,224 7,234,514 274,054 319,246 309 382 353,719 484 402 13 335,650 374,501 7,428,944 7,506,166 7,570,458 633,040 7,697,812 3,443 7,858,259 7,947,660 8,008,278 024,964 8,041,649 8,058,335 8,075,020 8,091,706 8,108,391 125,077 8,141,762 58,448 8,17S,133 469 1,369 369 358 326 298 ,206 220 237 240 ,184 136 094 100 138 069 182 174 2002 2003 2004 2005 2006 2007 2008 2009 2010 26 137 31 098 007 039 1,021 009 006 135 127 35 8,336,697 8,405,837 8,491,079 8,550,405 2012 120 2014 38 009

Explanation / Answer

## By Using Minitab

One-Sample T: NYCP

Variable N Mean StDev SE Mean 95% CI
NYCP 38 7754511 464069 76292 (7599782, 7909239)

The 95% confidence interval for the New York City population is given by (7599782, 7909239)

MTB > Onet 'NYCC'.

One-Sample T: NYCC

Variable N Mean StDev SE Mean 95% CI
NYCC 38 1240.68 172.36 27.96 (1184.03, 1297.34)

The 95% confidence interval for the New York City Consumption is given by  (1184.03, 1297.34)

MTB > Onet 'NYCPC'.

One-Sample T: NYCPC

Variable N Mean StDev SE Mean 95% CI
NYCPC 38 162.026 31.808 5.160 (151.571, 172.481)

The 95% confidence interval for the New York City per Capita is given by  (151.571, 172.481)

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---