Question 4 (1 point)
Saved
A sample of 6 different soils were tested to determine their pH levels. Find the
standard deviation of pH levels for this sample.
2.9, 8.1, 3.5, 7.7, 4.7, 7.8
Round your answer to two decimal places. (for example, if your answer was
12.88747, you should enter 12.89)
Your Answer:
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Answer
Question 5 (1 point)
The five number summary for a large sample of data was found to be 5.3, 6.3, 7.1,
7.7, 10.0. What percent of the data is expected to be greater than 6.3?
60%
75%
68%
95%
50%
25%