In a local community, assume ages are normally distributed with a standard deviation of 20. In order to estimate the average age of people in the community, the following sample is taken: 78, 63, 75, 42, 55, 70, 68, 62, 53, 49. The mean of these data is 60.50. The lower bound of the 95% confidence interval for the mean age is 48.10. What is the upper bound for the 95% confidence interval

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step-by-step explanation:

median is the value separating the higher half of a data sample, a population or probablity distribution from the lower half.

step-by-step explanation:

say you have 3,8,7,3,1,9,8 order them from lowest to highest

if orderd it would be 1,3,3,7,8,8,9 now you take away from the lowest and the highest until you end up in the middle.

so you would remove the 1 and 9 leaving you with 5 digits remaining

when you've reached the middle that would be your answer so in this case the answer is 7

if there were two numbers left say 7 and 5 you'd and them together so 12 then divide by 2 witch would equal 6 so the answer would be 6

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seven students earned $833 by shoveling snow. if they share the money equally, how much money will each student get

answer: each student earns $119

step-by-step explanation:

to find the answer you have to divide 833/7 which is 119