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Q: What is the mode of 84 82 81 78 and 78?

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83

400 - 78 - 22 --84 - 16 - 81 - 19 - 27 = 400 - 78 - 22 + 84 - 16 - 81 - 19 - 27 = 241

Range = 89 - 78 = 11

For 98 78 86 88 84 81 93 92 89 and 81: σ=6.2361

81 - 3 = 78 81 - -3 = 84

Median: 80 Mode: 72, 80, 120, 98, 78, 84, 77

mean = 81.

70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85 (including 70 and 85)

The composite numbers are: 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86 ,87, 88

82

The variance of 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 = 16.8456

62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90

The numbers are 81, 82, 83, 84 and 85.

The median is 86.

400

Floors 78 to 84....floor 81 was the impact zone.

The numbers are 81, 82 and 83. Also, 80, 82 and 84

a magical number <(")

76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99.

There are many combinations. The easiest is 82, 82, 82, 82, 82. The 2nd easiest is 80, 81, 82, 83, 84. You can create any list using: (82 - 2d), (82 - d), 82, (82 + d), (82 + 2d). Just use any number for d.

.81 .82 .83 .84 .85 .86 .87 .89

78 + 84 = 162

88

They are: 62 63 64 65 66 68 69 70 72 74 75 76 77 78 80 81 82 84 85 86 87 88.

62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.