In order to get the answer to this problem you will have to go to the thousands place value and look at the number next to the place value and if the number is greater then 5 then you round up which will give you your answer.
Which means your answer is "692,000."
Hope this helps.
Complete Question
Answer:
a
b
Step-by-step explanation:
From the question we are told that
The sample size is n = 60
The first sample mean is
The second sample mean is
The first variance is
The first variance is
Given that the confidence level is 95% then the level of significance is 5% = 0.05
Generally from the normal distribution table the critical value of is
Generally the first standard deviation is
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=>
Generally the second standard deviation is
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Generally the first standard error is
Generally the second standard error is
Generally the standard error of the difference between their mean scores is mathematically represented as
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Generally 95% confidence interval is mathematically represented as
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=>