Josh is painting all the walls in his room that is 3m x 4m and 2.75m high, How much paint in square feet is needed?
1 answer:
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Answer:
The sample mean is 127.33 kN and sample standard deviation is 26.59 kN.
Step-by-step explanation:
We are given the following in the question:
97, 97, 102, 102, 102, 103, 103, 108, 127, 127, 129, 129, 141, 159, 164, 164, 164, 174
Formula:
where are data points,
is the mean and n is the number of observations.
Sum of squares of differences = 12730
Thus, the sample mean is 127.33 kN and sample standard deviation is 26.59 kN.