A survey of 481 of your customers shows that 79% of them like
the recent changes to the product. Is this percentage a parameter
or a statistic and why?
Statistic as it represents the population |
Parameter as it represents the population |
Parameter as it represents the sample |
Statistic as it represents the sample |
A survey of 481 customers necessarily mean a sample out of the total number of customers . It showed that 79% of the 481 customers liked the recent changes. This percentage is a representation of the sample values and hence is a statistic.
Answer: Statistic as it represents the sample.
A survey of 481 of your customers shows that 79% of them like the recent changes...
CO 1) A survey of all 35 employees at a small company of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? Parameter as it represents the sample Parameter as it represents the population Statistic as it represents the population Statistic as it represents the sample
In a recent poll, 4545% of survey respondents said that, if they only had one child, they would prefer the child to be a boy. Suppose you conducted a survey of 160 randomly selected students on your campus and find that 79 of them would prefer a boy.(a) Use the normal approximation to the binomial to approximate the probability that, in a random sample of 160 students, at least 79 would prefer a boy, assuming the true percentage 45%. (b)...
I would like some help with these questions please be clear and
explain your answer. It will be so helpful if you answer both
questions. Thank you for your help.
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