舉個次數分配的例子,在製程生產中,檢驗量測大量重複性的數值時,若要能直觀式觀察中心趨勢和變異趨勢。
天 \ 次 |
1次 |
2次 |
3次 |
一組數據分多少組合適呢?一般與數據本身的特點及數據的多少有關。 |
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1天 |
1 |
2 |
3 |
|||
2天 |
3 |
3 |
5 |
|||
3天 |
5 |
5 |
5 |
|||
4天 |
7 |
7 |
7 |
|||
5天 |
10 |
9 |
9 |
|||
範圍 |
($B$2:$D$6) |
經驗組數= |
=1+(LOG10(COUNTA($B$2:$D$6))/LOG(2)) |
=1+(LOG10(COUNTA($B$2:$D$6))/LOG(2)) |
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最大 |
=MAX($B$2:$D$6) |
=MAX($B$2:$D$6) |
最小單位 |
=IF(D9>1000,100,IF(D9>100,10,IF(D9>10,1,IF(D9>1,0.1,IF(D9>0.1,0.01,IF(D9>0.01,0.001,0.0001))))))(數值單位除以10,讓數值精度往左一個小數點) |
=IF(D9>1000,100,IF(D9>100,10,IF(D9>10,1,IF(D9>1,0.1,IF(D9>0.1,0.01,IF(D9>0.01,0.001,0.0001)))))) |
|
最小 |
=MIN($B$2:$D$6) |
=MIN($B$2:$D$6) |
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平均 |
=AVERAGE($B$2:$D$6) |
=AVERAGE($B$2:$D$6) |
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個數 |
=COUNTA($B$2:$D$6) |
=COUNTA($B$2:$D$6) |
在某區域出現幾次函數 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
矩陣陣列同時按下 Ctrl + Shift + Enter 輸入的公式會自動加上大括號,代表它是陣列公式,這樣就完成每個區間人數分布的計算了。 |
|
全距 |
絕對值|下限減上限| |
=ABS(D10-D9) |
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組距 |
全距除以組數 |
=D13/G8 |
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|
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區間 |
分隔 |
次數 |
區間分隔計算 |
組距設定可調整 |
經CEILING以1為倍數進位 |
|
下限 |
="≦"& C18 |
=G18 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
1 |
=D14 |
=CEILING(E18,1) |
2組 |
=C18+1&"~"&C19 |
=G19 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
=E18+$F$18 |
=CEILING(E19,1) |
|
3組 |
=C19+1&"~"&C20 |
=G20 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
=E19+$F$18 |
=CEILING(E20,1) |
|
4組 |
=C20+1&"~"&C21 |
=G21 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
=E20+$F$18 |
=CEILING(E21,1) |
|
5組 |
=C21+1&"~"&C22 |
=G22 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
=E21+$F$18 |
=CEILING(E22,1) |
|
上限 |
="≧"& C22+1 |
=G23 |
=FREQUENCY($B$2:$D$6,$C$18:$C$23) |
=E22+$F$18 |
=CEILING(E23,1) |
|
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