E270 HW5 SP21 - Unsaved Priso, Rebecca Anne Georges File Home Insert Draw Formulas Data Review View n B I U ab A A abe L 123 ER AI Z L Q Sensitivity fx K L M N 0 P Q R S u A B D E F G H 1 J IVLJ 97 98 Questions 6-10 are related to the following 99 As a statistics course assignment you are to build a 95% confidence interval for the mean monthly rental for two- 100 bedroom apartments in Marion County. A random sample of apartments yields the following data. 101 102 856 985 874 954 799 994 818 930 922 103 1007 814 1025 1055 1096 865 789 852 907 104 1079 774 828 944 829 878 758 859 720 105 959 743 814 695 880 1098 701 1042 1075 106 1090 763 1032 797 946 1054 967 806 940 107 1100 1110 824 947 922 996 886 1053 993 108 985 1006 746 736 724 915 928 939 884 109 1159 1068 984 1029 999 843 1014 1057 872 110 966 981 694 908 942 900 955 1153 977 111 1034 947 912 880 878 961 832 814 884 112 876 943 842 793 814 886 1005 1001 954 113 114 6 The point estimate of the mean monthly rental is, 115 a $976.14 116 b $957.00 117 $938.24 118 d $919.84 119 1207 The variance of the sample mean is, 121 121.77 122 b 119.38 123 117.04 124 d d 114.75 125 126 + E270 HW5 E270 HW5 SP21 - Unsaved Priso, Rebecca Anne Georges File Home Insert Draw Formulas Data Review View B 1 U ab A T z Q Sensitivity fx A E F G I K L M N 0 P Q R S B D The variance of the sample mean is, 121.77 119.38 117.04 114.75 120 7 121 a 122 b 123 124 d 125 126 8 127 a 128 b 129 130 d 131 132 9 133 a 134 b 135 136 d 137 138 10 The margin of error for the 95% confidence interval is, $24.53 $21.90 $19.55 $17.46 The upper end of the 95% interval estimate is, $962.76 $950.50 $941.74 $935.48 139 a b 140 141 142 143 144 145 If you were asked to narrow the 95% margin of error to $10. How many apartments would you need to include in your sample? For planning value use $110. 195 240 350 465 d + E270 HW5 O w 7 10:16 E270 HW5 SP21 - Unsaved Priso, Rebecca Anne Georges File Home Insert Draw Formulas Data Review View n B I U ab A A abe L 123 ER AI Z L Q Sensitivity fx K L M N 0 P Q R S u A B D E F G H 1 J IVLJ 97 98 Questions 6-10 are related to the following 99 As a statistics course assignment you are to build a 95% confidence interval for the mean monthly rental for two- 100 bedroom apartments in Marion County. A random sample of apartments yields the following data. 101 102 856 985 874 954 799 994 818 930 922 103 1007 814 1025 1055 1096 865 789 852 907 104 1079 774 828 944 829 878 758 859 720 105 959 743 814 695 880 1098 701 1042 1075 106 1090 763 1032 797 946 1054 967 806 940 107 1100 1110 824 947 922 996 886 1053 993 108 985 1006 746 736 724 915 928 939 884 109 1159 1068 984 1029 999 843 1014 1057 872 110 966 981 694 908 942 900 955 1153 977 111 1034 947 912 880 878 961 832 814 884 112 876 943 842 793 814 886 1005 1001 954 113 114 6 The point estimate of the mean monthly rental is, 115 a $976.14 116 b $957.00 117 $938.24 118 d $919.84 119 1207 The variance of the sample mean is, 121 121.77 122 b 119.38 123 117.04 124 d d 114.75 125 126 + E270 HW5 E270 HW5 SP21 - Unsaved Priso, Rebecca Anne Georges File Home Insert Draw Formulas Data Review View B 1 U ab A T z Q Sensitivity fx A E F G I K L M N 0 P Q R S B D The variance of the sample mean is, 121.77 119.38 117.04 114.75 120 7 121 a 122 b 123 124 d 125 126 8 127 a 128 b 129 130 d 131 132 9 133 a 134 b 135 136 d 137 138 10 The margin of error for the 95% confidence interval is, $24.53 $21.90 $19.55 $17.46 The upper end of the 95% interval estimate is, $962.76 $950.50 $941.74 $935.48 139 a b 140 141 142 143 144 145 If you were asked to narrow the 95% margin of error to $10. How many apartments would you need to include in your sample? For planning value use $110. 195 240 350 465 d + E270 HW5 O w 7 10:16
