. How to measure in education . How to Measure in Education RelativeCost 104 o o o O O O OlO jO /* jp o> o ~ Year Fig. xoA. oooSoppoppgi d> Year Fig. ioB 6. For curves having ascale representing percent-ages, it is usually desir-able to emphasize in somedistinctive way the lOOper cent line or other lineused as a basis of com-parison. 7. When the scaleof a diagram refers todates, and the periodrepresented is not acomplete unit, it isbetter not to empha-size the first and lastordinates, since sucha diagram does notrepresent the begin-ning or end of time. Per Cent o^ People 10090 8070605040
. How to measure in education . How to Measure in Education RelativeCost 104 o o o O O O OlO jO /* jp o> o ~ Year Fig. xoA. oooSoppoppgi d> Year Fig. ioB 6. For curves having ascale representing percent-ages, it is usually desir-able to emphasize in somedistinctive way the lOOper cent line or other lineused as a basis of com-parison. 7. When the scaleof a diagram refers todates, and the periodrepresented is not acomplete unit, it isbetter not to empha-size the first and lastordinates, since sucha diagram does notrepresent the begin-ning or end of time. Per Cent o^ People 10090 8070605040302010 ^ ■■ ■■ ■■ ^ ^ 7 / / A / / I / / / / 7 / . r / i / J ^ p ^^ OQ SS PerCentof Incomd Fig. loC Population ,000 40, 0
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Keywords: ., bookcentury1900, bookdecade1920, bookidhowtomeasure, bookyear1922
