Juan makes a measurement in a chemistry laboratory and records the result in his lab report.

Nann

Nann

Answered question

2021-02-26

Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The standard deviation of students lab measurements is σ=8 milligrams. Juan repeats the measurement 2 times and records the mean x of his 2 measurements. What is the standard deviation of Juan's mean result?

Answer & Explanation

firmablogF

firmablogF

Skilled2021-02-27Added 92 answers

Step 1
The standard deviation of students lab measurements is 8.
Juan repeats the measurement 2 times. That is n=2
Step 2
The standard deviation of Juans

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