Question

Pediasure wishes to compare the weight gain of infants using its brand versus its competitor’s. A sample of 40 babies using Pediasure products revealed a mean weight gain of 0.76kg in the first 3 weeks after birth. For the Pediasure brand, the population standard deviation of the sample is 0.23 kg. A sample of 55 babies using the competitor’s brand revealed a mean increase in weight of 0.81kg. The population standard deviation is 0.29kg. a. At the 0.05 significance level, can we conclude that the babies using Pediasure brand gained less weight? b. Compute the ρ-value and interpret it

Answer 1

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Answer 2

sorry dear...............