Which statement is true? A. A sample statistic can never be equal to the population parameter. B. Point estimates are defined fo
1 answer:
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Answer: $ 67.03
Step-by-step explanation:
Given : The average expenditure in a sample survey of 50 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64.
i.e.
The best point estimate of the difference between the two population means is given by :-
Hence, the point estimate of the difference between the population mean expenditure for males and the population mean expenditure for females : $ 67.03
Answer:
y = -2x + 7
Step-by-step explanation:
P.S: I solved it twice to show you that it doesn't matter which point you choose, you will get the same result.
But it is important when you calculate the slope
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)
