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Help me find the followingg subject is stats A, In an examination taken by 400 students, the scores were as shown in the following distribution

Help me find the followingg subject is stats

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A, In an examination taken by 400 students, the scores were as shown in the following distribution table: Marks Frequency Find : 1 - 10 a. The mean 11-20 14 b. The mode 21 - 30 32 0. The median 31 -40 56 d. Variance 41 -50 102 0. Standard Deviation 51 -60 BO 1. Interpret the results 61 -70 54 71 -80 30 81 -90 16 91 -100 8

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