The table below shows the number of days lost to sickness during one week's operation of...
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The table below shows the number of days lost to sickness during one week's operation of a small chemical plant. Days lost Frequency(f) 1-9 10-18 19-27 28-36 37~45 29 26 16 15 1 KS ed Calculate the following relating to the number of days lost. ks a) ed The arithmetic mean (to 2 decimal places) ks mean = ed ks ed b) days The standard deviation (to 2 decimal places) Submit part 1 mark Unanswered The table below shows the number of days lost to sickness during one week's operation of a small chemical plant. Days lost Frequency(f) 1-9 10-18 19-27 28-36 37~45 29 26 16 15 1 KS ed Calculate the following relating to the number of days lost. ks a) ed The arithmetic mean (to 2 decimal places) ks mean = ed ks ed b) days The standard deviation (to 2 decimal places) Submit part 1 mark Unanswered
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