Savia Asked a Question
September 15, 2020 11:12 pmpts 30 pts
The distribution of marks scored by a large class in an exam can be represented as a normal distribution with mean u and standard deviation o. In a follow-up exam in the same class, everyone scored 5 marks more than their respective score in the earlier exam. For this follow-up exam. the distribution of marks can be represented as a normal distribution with mean l and standard deviation O2. Which one of the following is correct? (A) = : o > 02 (B) u< l2: O> O2 (D) u
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  • Anup Padwal thankyou
    Option D Due to increased marks data shifted to right side of graph which results in increase in mean. both data are in nornal distribution and shifted whole therefore standard dev...
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