Answered You can hire a professional tutor to get the answer.
I-The average number of customers per day which walk into a retail store is 7. The manager of the store knows this information from a computer read...
I-The average number of customers per day which walk into a retail store is 7.43. The manager of the store knows this information from a computer read out and decides to take a sample. She finds that the average number of customers per day is 5.43. With this information,the manager can conclude:
a-There is a bias in her sample method
b-There is error in her sampling method
c-She can not make a conclusion
d-None of the above
II-A marketer wants to better understand his target market. He takes a sample of 100 consumers by posting fliers around a local town and asking them to go to a website to fill out a survey. The type of sampling method he has undertaken is considered to be:
a-A convenience sample
b-A voluntary response sample
c-A simple random sample
d-None of the above
III-A researcher would like to try and estimate the proportion of males in her population of interest. The real proportion ( the parameter) of males is .43. She decides to take a sample of size 4. What can this researcher expect in her statistic?
a-Her statistic will always be biased.
b- Her statistic will always have an error.
c-She is measuring the incorrect parameter.
d-None of the above
