Clearly, it is D.
You use random samples to estimate properties of the whole population.
You work for a financial information website. You draw a random sample of 100 subscribers and determine that their mean income is $68,500. Which statement is true?
A)
You conclude that the income of all subscribers is $68,500.
B)
You conclude that half of the subscribes earn less than $68,500.
C)
You conclude that half of the subscribes earn more than $68,500.
D)
You conclude that the mean income of all subscribers is close to $68,500.
4 answers
aye steve
You work for a financial information website. You draw a random sample of 100 subscribers and determine that their mean income is $68,500. Which statement is true?
A market researcher selected 200 people at random from a group of people who indicated that they liked a certain book. The 200 people were shown a movie based on the book and then asked whether they liked or disliked the movie. Of those surveyed, 95% said they disliked the movie. Which inferences can appropriately be drawn from this survey result?
1 answer