A company manufactures 2,000 units of its flagship product in a day. The quality control department takes a random sample of 40
units to test for quality. The product is put through a wear-and-tear test to determine the number of days it could last. If the product has a lifespan of less than 26 days, it is considered defective. The table gives the sample data that a quality control manager collected.
What is the population mean and point estimate for the mean of this sample?
A.
There is insufficient data to calculate the population mean. The point estimate = 32.3.
B.
The population mean = 32.3. There is insufficient data to calculate the point estimate for the mean.
C.
There is insufficient data to calculate the population mean. The point estimate = 34.48.
D.
The population mean = 35.76. There is insufficient data to calculate the point estimate for the mean.
E.
The population mean = 36.04. There is insufficient data to calculate the point estimate for the mean.
What is the population mean and point estimate for the mean of this sample?
A.
There is insufficient data to calculate the population mean. The point estimate = 32.3.
B.
The population mean = 32.3. There is insufficient data to calculate the point estimate for the mean.
C.
There is insufficient data to calculate the population mean. The point estimate = 34.48.
D.
The population mean = 35.76. There is insufficient data to calculate the point estimate for the mean.
E.
The population mean = 36.04. There is insufficient data to calculate the point estimate for the mean.
2 answers:
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This should be right or close to it! Hope this helps
