→ Mean
Jumlah data ÷ Banyak nya data
= [ 155 + 146 + 166 + 155 + 160 + 161 + 149 ] ÷ 7
= [ 301 + 321 + 321 + 149 ] ÷ 7
= [ 622 + 470 ] ÷ 7
= 1.092 ÷ 7
= 156 (c)
MEAN = JD/BD
= 155 + 146 + 166 + 155 + 160 + 161 + 149/7
= 301 + 166 + 155 + 160 + 161 + 149/7
= 467 + 155 + 160 + 161 + 149/7
= 622 + 160 + 161 + 149/7
= 782 + 161 + 149/7
= 943 + 149/7
= 1.092/7
= 156 => C
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→ Mean
Jumlah data ÷ Banyak nya data
= [ 155 + 146 + 166 + 155 + 160 + 161 + 149 ] ÷ 7
= [ 301 + 321 + 321 + 149 ] ÷ 7
= [ 622 + 470 ] ÷ 7
= 1.092 ÷ 7
= 156 (c)
MEAN = JD/BD
= 155 + 146 + 166 + 155 + 160 + 161 + 149/7
= 301 + 166 + 155 + 160 + 161 + 149/7
= 467 + 155 + 160 + 161 + 149/7
= 622 + 160 + 161 + 149/7
= 782 + 161 + 149/7
= 943 + 149/7
= 1.092/7
= 156 => C