QUESTION TWO: The following marks were obtained by candidates in an examination (no fractions of a mark were awarded): Number of candidates Marks 0-5 6-10 8. 11-15 20 16-20 30 21-25 50 26-30 80 31-35...


QUESTION TWO:<br>The following marks were obtained by candidates in an examination (no fractions of a mark<br>were awarded):<br>Number of<br>candidates<br>Marks<br>0-5<br>6-10<br>8.<br>11-15<br>20<br>16-20<br>30<br>21-25<br>50<br>26-30<br>80<br>31-35<br>120<br>36-40<br>150<br>41-45<br>200<br>46-50<br>220<br>51-55<br>280<br>56-60<br>320<br>.61-65<br>260<br>66-70<br>160<br>71-75<br>120<br>76-80<br>100<br>81-85<br>60<br>86-90<br>40<br>91-95<br>17<br>96-100<br>3<br>Total<br>2240<br>Required:<br>1. Construct a 'less than' ogive and estimate the following:<br>The sixth decile<br>The 42nd percentile (warning: think carefully about the class limits<br>

Extracted text: QUESTION TWO: The following marks were obtained by candidates in an examination (no fractions of a mark were awarded): Number of candidates Marks 0-5 6-10 8. 11-15 20 16-20 30 21-25 50 26-30 80 31-35 120 36-40 150 41-45 200 46-50 220 51-55 280 56-60 320 .61-65 260 66-70 160 71-75 120 76-80 100 81-85 60 86-90 40 91-95 17 96-100 3 Total 2240 Required: 1. Construct a 'less than' ogive and estimate the following: The sixth decile The 42nd percentile (warning: think carefully about the class limits

Jun 11, 2022
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