Question: Please answer all I will thumbs up and write positive feedback. 606 Questions 11 14 are related to the following The following is a random

Please answer all I will thumbs up and write positive feedback.

606 Questions 11 14 are related to the following The following is a random sample of full coverage auto insurance policy cost. The data is used to build a 95% interval estimate for the mean cost of full coverage auto insurance policy. 1895 1850 2035 1855 1975 1885 1990 1750 1880 1875 1925 1805 1985 1940 2020 2045 1910 1840 2190 1860 1700 1865 1955 2006 1980 1995 1310 1990 1870 1860 1925 1940 1730 187 1985 1990 1940 2085 1965 1720 2060 1895 1895 1945 1610 1775 1945 1990 1835 2095 1925 2045 2005 1795 1765 1850 1785 1770 2185 1945 1870 1860 2145 1790 1995 1950 2115 2020 1890 1800 1885 1855 2105 1805 1635 1670 2070 1950 2000 1950 1980 1850 2020 1955 1805 1880 1915 1700 1760 The point estimate of the mean insurance policy cost is, 11 $1.969.47 $1,912.11 $1,856.42 $1,802.35 12 The estimated variance of the sample mean is. 13873.02 13318.10 154.14 160.57 15 The margin or error for the interval estimate is, $29.85 $27.14 $24.67 $22.43 14 The 95% interval estimate for the mean policy cost is, $1,887 $1,937 $1,892 $1,933 $1,895 $1,929 $1,898 $1,926 Questions 15 and 16 are related to the following A random sample of hotels in New York City yielded the following nightly rates 220 280 270 335 315 440 410 395 365 440 315 265 250 240 310 280 460 220 415 480 430 480 330 290 360 420 440 410 265 330 450 410 340 435 280 260 355 225 325 345 440 395 490 355 355 490 465 480 415 355 355 255 280 480 240 375 275 400 330 390 15 The margin of error for a 95% interval estimate of the mean nightly rate of all hotels in New York city is. $22.62 $20.57 $18.70 $17.00 16 The 95% interval estimate of the average nightly hotel rate is. $338 $379 $346 $371 $350 $366 $353 $363 Questions 17 and 18 are related 17 The lower end of a 95% interval estimate of the mean annual salary of persons with an MBA degree five years after is $8,670. graduation is reported to be $98,655. The interval is based on a sample of 120 persons. The sample standard deviation What is the point estimate of the salary?" $101,726 $100,222 $98,741 $97,282 18 In the previous question, what is the upper end of the interval? a $101,789 $102,818 C $103,856 $104.905 Questions 19-22 are related to the

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