I need help, I want to understand this question

[rosecai]

1. A marketing manager plans to market and sell a certain product to improve
companies profit. Which of the following can be a better choice for the manager?
Justify your answer.
Product A: Product A with Mean profit of Php 100,000; standard deviation of Php 2,000
Product B: Product B with Mean Profit of Php 100,000; standard deviation of Php 2,500.
2. Reflect
a. If all the data in a given sample are the same, what is the standard deviation of the sample? Justify your answer.
b. If the given two sample data sets have the same standard deviation, are these samples necessarily identical? Justify your answer.

 

[Deleted member 4993]

1. A marketing manager plans to market and sell a certain product to improve
companies profit. Which of the following can be a better choice for the manager?
Justify your answer.
Product A: Product A with Mean profit of Php 100,000; standard deviation of Php 2,000
Product B: Product B with Mean Profit of Php 100,000; standard deviation of Php 2,500.
2. Reflect
a. If all the data in a given sample are the same, what is the standard deviation of the sample? Justify your answer.
b. If the given two sample data sets have the same standard deviation, are these samples necessarily identical? Justify your answer.

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