Noise levels at five volcanoes are measured in decibels yielding the following data: 127, 174, 157, 120, 161. Construct a 98% confidence interval for the mean noise level at such locations. Assume the population is approximately normal. Calculate the sample standard deviation for the given sample data

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Step-by-step explanation:

(1,4) is on graph of f(x)

f(1) = 4

so 1/4 f(x)

1/4 f(1)

1/4. ×4

1

so point for function 1/4. f(x) is (1,1)

answer: the answer is simply nothing.

step-by-step explanation: because there is no ending to this question

gimme brainliest > : 3